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Best Buy customers often prefer the following products when searching for stem toys.

STEM toys are a great way to get your child interested in science, technology, engineering, and math (STEM). These toys are designed to be fun and educational at the same time. Browse the top-ranked list of STEM toys below along with associated reviews and opinions.

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  1. LEGO - City Modular Space Station Science Toy 60433 - Front_Zoom

    Product Description

    Treat a budding astronaut with the LEGO City Modular Space Station (60433) STEM toy for ages 7 and up. This futuristic space ring is an orbiting anchor for docking spacecraft and room pod modules, including a satellite, space bike, shuttle, exploration science lab, repair workshop, kitchen, sleeping quarters and a biodome. Kids can switch the modules around to create their perfect space station and connect them to the shuttle to create a cool space train. This building toy for kids also features 6 space crew minifigures for epic space adventures. Makes a great gift for boys, girls, and kids ages 7 and up. Take your child on an exciting building adventure with the LEGO Builder app. Here they can zoom in and rotate to visualize models from all angles as they build. LEGO City space toys come with realistic vehicles, detailed structures and inspiring characters that merge fantasy and reality for creative play without limits. This set includes the special space air-lock system for connection to other compatible space-themed LEGO playsets (sold separately). Contains 1,097 pieces.
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    Product Description

    Treat a budding astronaut with the LEGO City Modular Space Station (60433) STEM toy for ages 7 and up. This futuristic space ring is an orbiting anchor for docking spacecraft and room pod modules, including a satellite, space bike, shuttle, exploration science lab, repair workshop, kitchen, sleeping quarters and a biodome. Kids can switch the modules around to create their perfect space station and connect them to the shuttle to create a cool space train. This building toy for kids also features 6 space crew minifigures for epic space adventures. Makes a great gift for boys, girls, and kids ages 7 and up. Take your child on an exciting building adventure with the LEGO Builder app. Here they can zoom in and rotate to visualize models from all angles as they build. LEGO City space toys come with realistic vehicles, detailed structures and inspiring characters that merge fantasy and reality for creative play without limits. This set includes the special space air-lock system for connection to other compatible space-themed LEGO playsets (sold separately). Contains 1,097 pieces.
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    See all Building Sets & Blocks
  2. LEGO - Creator 3 in 1 Space Astronaut Toy Set, Science Toy for Kids 31152 - Front_Zoom
    Top comment

    "Encourage kids to dream about STEM and what they can accomplish with dream."

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    Product Description

    LEGO fans ages 9 and up can blast into space to explore new planets and create space adventures with this LEGO Creator Space Astronaut (31152) building toy. The astronaut figure includes a detachable jet propulsion backpack, posable legs, feet, arms and fingers and a golden opening visor with a seat inside for a minifigure (not included). Boys and girls can build 3 different space playsets: a posable space astronaut figure, a futuristic space dog with posable legs and tail, or a space viper jet with a seat for a minifigure (not included) to pilot it. All 3 models make great space-themed creative gifts and come with stands for display. Makes a great science toy for kids who love space. LEGO Creator 3 in 1 toys make great gifts for kids with 3 different models to create in every box. Kids will be excited to build, rebuild and build again. 3 in 1 sets keep them happy for countless hours and offer a range of models that appeal to their biggest passions, including superfast vehicles, amazing animals and detailed city scenes. Contains 647 pieces.
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    Top comment

    "Encourage kids to dream about STEM and what they can accomplish with dream."

    See all customer reviews

    Product Description

    LEGO fans ages 9 and up can blast into space to explore new planets and create space adventures with this LEGO Creator Space Astronaut (31152) building toy. The astronaut figure includes a detachable jet propulsion backpack, posable legs, feet, arms and fingers and a golden opening visor with a seat inside for a minifigure (not included). Boys and girls can build 3 different space playsets: a posable space astronaut figure, a futuristic space dog with posable legs and tail, or a space viper jet with a seat for a minifigure (not included) to pilot it. All 3 models make great space-themed creative gifts and come with stands for display. Makes a great science toy for kids who love space. LEGO Creator 3 in 1 toys make great gifts for kids with 3 different models to create in every box. Kids will be excited to build, rebuild and build again. 3 in 1 sets keep them happy for countless hours and offer a range of models that appeal to their biggest passions, including superfast vehicles, amazing animals and detailed city scenes. Contains 647 pieces.
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    See all Building Sets & Blocks
  3. LEGO - City Deep-Sea Explorer Submarine 60379 - Front_Zoom
    Top comment

    "We have so many ideas for stories and builds that stem from this set....Keeps the creativity and imaginations flowing with hands on play and STEM."

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    Product Description

    The LEGO City Deep-Sea Explorer Submarine (60379) is loaded with features and realistic details. The toy sub comes with a cool bubble cockpit, onboard science lab, underwater drone and a mech-style diving suit for seabed exploration. A shipwreck setting is home to a shark den, giant jellyfish and sunken treasure. Just add the 6 minifigures for hours of imaginative role play. This summer toy playset for kids ages 7-10 includes a pictorial building guide and instructions in the LEGO Builder app – an amazing digital guide that enables kids to explore and save virtual playsets, track their own building progress, zoom in and rotate and view models from all angles while they build. LEGO City playsets come with cool vehicles, realistic structures and fun characters for hours of imaginative play and can be combined with other sets from the LEGO City range. Contains 842 pieces.
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    Top comment

    "We have so many ideas for stories and builds that stem from this set....Keeps the creativity and imaginations flowing with hands on play and STEM."

    See all customer reviews

    Product Description

    The LEGO City Deep-Sea Explorer Submarine (60379) is loaded with features and realistic details. The toy sub comes with a cool bubble cockpit, onboard science lab, underwater drone and a mech-style diving suit for seabed exploration. A shipwreck setting is home to a shark den, giant jellyfish and sunken treasure. Just add the 6 minifigures for hours of imaginative role play. This summer toy playset for kids ages 7-10 includes a pictorial building guide and instructions in the LEGO Builder app – an amazing digital guide that enables kids to explore and save virtual playsets, track their own building progress, zoom in and rotate and view models from all angles while they build. LEGO City playsets come with cool vehicles, realistic structures and fun characters for hours of imaginative play and can be combined with other sets from the LEGO City range. Contains 842 pieces.
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    See all Building Sets & Blocks
  4. LEGO - Lotus Flowers Building Toy Set 40647 - Front_Zoom
    Top comment

    "I love the variation in the flowers and how the stems can be adjusted....Stems too short...I bought these to add to my floral vase. I found the stems weren't as long as the first bouquet which made me unhappy. "

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    Product Description

    Recreate a wonder of nature with the LEGO Lotus Flowers (40647) building toy for girls and boys. This LEGO interpretation of the globally celebrated flower depicts 2 Lotus in full bloom, plus a flower head in bud, all in delicate shades of pink and white, with long green stems for vase display. This beautiful LEGO bouquet makes a great birthday, holiday or any day family gift idea. Create an eye-catching display with these artificial flowers for decoration or combine them with other buildable LEGO flower sets (sold separately) for the ultimate aesthetic room décor. Contains 220 pieces.
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    Top comment

    "I love the variation in the flowers and how the stems can be adjusted....Stems too short...I bought these to add to my floral vase. I found the stems weren't as long as the first bouquet which made me unhappy. "

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    Product Description

    Recreate a wonder of nature with the LEGO Lotus Flowers (40647) building toy for girls and boys. This LEGO interpretation of the globally celebrated flower depicts 2 Lotus in full bloom, plus a flower head in bud, all in delicate shades of pink and white, with long green stems for vase display. This beautiful LEGO bouquet makes a great birthday, holiday or any day family gift idea. Create an eye-catching display with these artificial flowers for decoration or combine them with other buildable LEGO flower sets (sold separately) for the ultimate aesthetic room décor. Contains 220 pieces.
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    See all Building Sets & Blocks
  5. LEGO - Orchid 10311 Plant Decor Toy Building Kit (608 Pieces) - Front_Zoom
    Top comment

    "i'm a plant and soil science major so i absolutely love the botanical collection. everything in it is a hit!...This was a pretty cool build, plus it has customizable stems so you can change where you want the blooms."

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    Product Description

    Enjoy a mindful building project and create a beautiful plant display for your home with this LEGO Orchid (10311) model building project for adults. Take your time crafting all the details of the white and pink flowers and the vase. Inspired by a real orchid, the model has 5 leaves at the base and 2 wandering air roots to create an authentic display. Build the blue fluted vase and fill it with the brown LEGO elements to recreate the bark mix that a real orchid would grow in. Customize your display Pose your orchid in a variety of ways by rotating the stems, blooms, roots, and leaves of the model to achieve the perfect look. Or personalize your display by rebuilding the stems to create new combinations of flower arrangements. Building creativity, piece by piece Discover the space to be mindful and the time to relax with buildable models designed specifically for adults from the LEGO Botanical Collection.
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    Top comment

    "i'm a plant and soil science major so i absolutely love the botanical collection. everything in it is a hit!...This was a pretty cool build, plus it has customizable stems so you can change where you want the blooms."

    See all customer reviews

    Product Description

    Enjoy a mindful building project and create a beautiful plant display for your home with this LEGO Orchid (10311) model building project for adults. Take your time crafting all the details of the white and pink flowers and the vase. Inspired by a real orchid, the model has 5 leaves at the base and 2 wandering air roots to create an authentic display. Build the blue fluted vase and fill it with the brown LEGO elements to recreate the bark mix that a real orchid would grow in. Customize your display Pose your orchid in a variety of ways by rotating the stems, blooms, roots, and leaves of the model to achieve the perfect look. Or personalize your display by rebuilding the stems to create new combinations of flower arrangements. Building creativity, piece by piece Discover the space to be mindful and the time to relax with buildable models designed specifically for adults from the LEGO Botanical Collection.
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    See all Building Sets & Blocks
  6. Funko - POP! Disney: The Nightmare Before Christmas- Jack Skellington - Front_Zoom

    Product Description

    What’s this? The Pumpkin King has brought Halloween to Halloween Town, but now he is ready to herald in the spirit of a merrier holiday. Help Pop! Jack Skellington break down the science of Christmas as he studies the holiday’s joyous traditions in his lab. Celebrate the 30th Anniversary of The Nightmare Before Christmas with Pop! Jack Skellington. He is simply meant to be in your collection! Vinyl figure is approximately 4.4-inches tall.
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    Product Description

    What’s this? The Pumpkin King has brought Halloween to Halloween Town, but now he is ready to herald in the spirit of a merrier holiday. Help Pop! Jack Skellington break down the science of Christmas as he studies the holiday’s joyous traditions in his lab. Celebrate the 30th Anniversary of The Nightmare Before Christmas with Pop! Jack Skellington. He is simply meant to be in your collection! Vinyl figure is approximately 4.4-inches tall.
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    See all Action Figures
  7. LEGO - Icons Bouquet of Roses Build and Display Set 10328 - Front_Zoom
    Top comment

    "i love them....i just wish the stems were about 4-5 inches longer and there were a few more baby breathes. ...It was a fun build with a bet of repetition in the stems but I enjoyed making the flowers."

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    Product Description

    Take time out with the LEGO Icons Bouquet of Roses (10328) home decor building set for adults. Indulge in a mindful building project or treat a loved one to this timeless buildable bouquet – a perfect gift idea for Valentine’s Day, anniversary, birthday, or any other special occasion. A joy to build, this LEGO bouquet of a dozen artificial roses includes 4 in full bloom, 4 blooming and 4 in bud. Build and display these long green stem red roses. Set also includes 4 sprigs of baby’s breath with small white flowers that will look great in vase. Easy to assemble, the bouquet makes an elegant display for any space and is combinable with other sets from the LEGO Botanical Collection. This set comes with 6 brick bags and separate instructions for the 3 flowering stages, making it perfect for solo or group construction. A digital version of the building instructions is available in the LEGO Builder app. This set is part of the LEGO Botanical Collection of building projects designed specifically for adults. Contains 822 pieces.
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    Top comment

    "i love them....i just wish the stems were about 4-5 inches longer and there were a few more baby breathes. ...It was a fun build with a bet of repetition in the stems but I enjoyed making the flowers."

    See all customer reviews

    Product Description

    Take time out with the LEGO Icons Bouquet of Roses (10328) home decor building set for adults. Indulge in a mindful building project or treat a loved one to this timeless buildable bouquet – a perfect gift idea for Valentine’s Day, anniversary, birthday, or any other special occasion. A joy to build, this LEGO bouquet of a dozen artificial roses includes 4 in full bloom, 4 blooming and 4 in bud. Build and display these long green stem red roses. Set also includes 4 sprigs of baby’s breath with small white flowers that will look great in vase. Easy to assemble, the bouquet makes an elegant display for any space and is combinable with other sets from the LEGO Botanical Collection. This set comes with 6 brick bags and separate instructions for the 3 flowering stages, making it perfect for solo or group construction. A digital version of the building instructions is available in the LEGO Builder app. This set is part of the LEGO Botanical Collection of building projects designed specifically for adults. Contains 822 pieces.
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    See all Building Sets & Blocks
  8. LEGO - Daffodils Celebration Gift, Yellow and White Daffodil Room Decor 40747 - Front_Zoom
    Top comment

    "The piece where the leaves meet the stem allows the entire stem to spin, making it impossible to keep the flowers stationary. ...These lego flower stems will brighten any setting."

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    Product Description

    Give spring flowers that will last forever with this LEGO Daffodils (40747) celebration gift. Featuring 4 yellow and white pastel-colored blooms, this set is perfect for kids, boys and girls aged 8 and up, as well as adult flower fans. These make a great birthday, Mother's Day, Valentine's Day or just because - gift! The buildable posy includes 2 yellow daffodils and 2 white daffodils, each with green stems and adjustable leaves to encourage customization. Once complete, they can be displayed as room decor on their own or combined with other LEGO flowers (sold separately) to create a larger, more colorful bouquet. Contains 216 pieces.
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    Top comment

    "The piece where the leaves meet the stem allows the entire stem to spin, making it impossible to keep the flowers stationary. ...These lego flower stems will brighten any setting."

    See all customer reviews

    Product Description

    Give spring flowers that will last forever with this LEGO Daffodils (40747) celebration gift. Featuring 4 yellow and white pastel-colored blooms, this set is perfect for kids, boys and girls aged 8 and up, as well as adult flower fans. These make a great birthday, Mother's Day, Valentine's Day or just because - gift! The buildable posy includes 2 yellow daffodils and 2 white daffodils, each with green stems and adjustable leaves to encourage customization. Once complete, they can be displayed as room decor on their own or combined with other LEGO flowers (sold separately) to create a larger, more colorful bouquet. Contains 216 pieces.
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    See all Building Sets & Blocks
  9. LEGO - Technic NASA Mars Rover Perseverance 42158 - Front_Zoom

    Product Description

    Give kids an adventure to remember as they build a LEGO Technic toy version of NASA’s Mars Perseverance Rover (42158). This advanced building kit for kids ages 10 and up is perfect for anyone with a passion for technology or science projects, and comes with an augmented reality app experience that lets them learn more about the environment on Mars and the rover’s mission. This NASA toy makes a great gift for kids who love engineering, and is packed with features that help them learn more about the challenges facing the NASA Perseverance Rover and its companion helicopter Ingenuity. The rover features 360° steering and a movable arm, plus fully articulated suspension that lets the vehicle maintain traction on all 6 wheels across uneven surfaces. Other details featured in this building toy set include a power unit, antennae, cameras and scientific instruments. Let the LEGO Builder app guide your child on an intuitive building adventure, allowing them to zoom in and rotate models in 3D, save sets and track their progress. Contains 1,132 pieces.
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    Product Description

    Give kids an adventure to remember as they build a LEGO Technic toy version of NASA’s Mars Perseverance Rover (42158). This advanced building kit for kids ages 10 and up is perfect for anyone with a passion for technology or science projects, and comes with an augmented reality app experience that lets them learn more about the environment on Mars and the rover’s mission. This NASA toy makes a great gift for kids who love engineering, and is packed with features that help them learn more about the challenges facing the NASA Perseverance Rover and its companion helicopter Ingenuity. The rover features 360° steering and a movable arm, plus fully articulated suspension that lets the vehicle maintain traction on all 6 wheels across uneven surfaces. Other details featured in this building toy set include a power unit, antennae, cameras and scientific instruments. Let the LEGO Builder app guide your child on an intuitive building adventure, allowing them to zoom in and rotate models in 3D, save sets and track their progress. Contains 1,132 pieces.
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    See all Building Sets & Blocks
  10. LEGO - Cherry Blossoms Celebration Gift, White and Pink Cherry Blossom 40725 - Front_Zoom
    Top comment

    "Cute set but could have a shorter stem by about two pieces...These 2 cherry blossom stems are so beautiful and life-like. They look gorgeous in a vase by themselves."

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    Product Description

    Mark the arrival of spring and new beginnings with this LEGO Cherry Blossoms (40725) celebration gift for aspiring florists and nature lovers aged 8 and up. Featuring 2 buildable cherry blossom twigs that can be decorated with delicate buds in shades of white and pink. This set encourages flower-lovers to create customized LEGO blooms with beautiful spring flowers. As well as being a celebration gift for kids, the brick-built blossoms make a great gift for grown-ups, who will be delighted to receive these unique flowers on Valentine’s Day or Mother’s Day. Once complete, the set makes a beautiful piece of floral room decor that will add a touch of spring joy to any space. It can also be combined with other LEGO flowers (sold separately) to create a vibrant bouquet. Contains 430 pieces.
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    Top comment

    "Cute set but could have a shorter stem by about two pieces...These 2 cherry blossom stems are so beautiful and life-like. They look gorgeous in a vase by themselves."

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    Product Description

    Mark the arrival of spring and new beginnings with this LEGO Cherry Blossoms (40725) celebration gift for aspiring florists and nature lovers aged 8 and up. Featuring 2 buildable cherry blossom twigs that can be decorated with delicate buds in shades of white and pink. This set encourages flower-lovers to create customized LEGO blooms with beautiful spring flowers. As well as being a celebration gift for kids, the brick-built blossoms make a great gift for grown-ups, who will be delighted to receive these unique flowers on Valentine’s Day or Mother’s Day. Once complete, the set makes a beautiful piece of floral room decor that will add a touch of spring joy to any space. It can also be combined with other LEGO flowers (sold separately) to create a vibrant bouquet. Contains 430 pieces.
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    See all Building Sets & Blocks
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