Set sail into history with the LEGO Ideas River Steamboat (21356) for adults ages 18 and up. This fan-designed masterpiece captures the golden age of river travel through meticulous brick-built craftsmanship. Adult builders can construct an authentic paddle steamer complete with a working paddle wheel, detailed pilothouse, crew quarters, and a functioning steam engine with visible moving parts. As you build, discover intricate details like the music stage, restaurant, and vintage furnishings throughout every deck from the elegant passenger areas to the bustling engine room. The completed model doubles as sophisticated home or office decor that transforms your space into a nautical museum. An ideal gift for boat enthusiasts, history lovers, and men and women who enjoy detailed model building kits, this collectible offers a relaxing creative experience that celebrates maritime heritage. For an immersive build, the LEGO Builder app provides helpful 3D viewing tools and progress tracking. Contains 4,090 pieces.

Showcase the vibrant colors of minerals with the LEGO Ideas Mineral Collection (21362) building set for adults. A unique gift for rock collectors, geology enthusiasts, and science & nature lovers, this collectible set features brick-built models of 6 minerals. It also includes buildable display shelf units to create eye-catching living room, bedroom, or office decor. Use clever building techniques and transparent LEGO bricks to create models of golden pyrite, purple amethyst, blue fluorite, watermelon tourmaline, reddish-pink rhodochrosite and tangerine quartz. Assemble the 3 freestanding shelving units and attach your creations to the shelves. Arrange the units as you wish and swap the minerals to different shelves to change up your display. Find building instructions in this adult model building kit or enjoy an intuitive building experience with the LEGO Builder app, where you can view a 3D digital version of your models as you build. Set contains 880 pieces.

Step into a supernatural saga with the LEGO Ideas Twilight Cullen House (21348). This building set for adults, ages 18 and up, captures the iconic modernist glass home where Edward, Bella, and the immortal Cullen family's story unfolds. The stunning three-story residence features removable levels and roof for easy access to authentic interior details. Display seven fan-favorite minifigures including a sparkling Edward Cullen, Bella Swan, Jacob (with additional, brick-built wolf figure), Carlisle, Alice, Charlie, and Rosalie. Twilight enthusiasts will recognize beloved elements from the films—Edward's grand piano, the balcony planters, Bella's classic truck, and the special tree where their supernatural romance blossomed. This collectible display piece was designed by passionate LEGO fans through the LEGO Ideas program, ensuring every detail honors the beloved vampire romance that captivated millions. Perfect as a DIY craft project for adult fans building solo or together, this Twilight merchandise lets you revisit Forks, Washington whenever nostalgia strikes. Contains 2,001 pieces.