The Magnetic Stick Building Block Stacking Construction Toy inspires learning and creativity, perfect for children who love to build and explore. It teaches essential concepts of magnetism, improves problem-solving, and critical thinking skills. Equipped with magnetic balls and rods and an ideabook that features 40+ design ideas, kids will have enough materials to bring their imagination to life. For ages 3+! PicassoTiles Magnetic Building Stick Block Construction Set with Storage Bin Colorful 3D STEM Toy Blocks Bar Balls & Rods Montessori Educational for All Ages Puzzle Toy for Boys & Girls PTX50