171 Pcs Magnetic Tiles And Marble Run Set, Magnet Building Race Track Toys With Learning Card And Storage Bag For Kids, Stem EduIntroducing our 171 piece Innovative Magnetic Toy Set, a perfect blend of classic marble runs and magnetic tiles for endless fun and learning. This STEM STEAM inspired toy enhances color perception, shape recognition, creativity, and problem solving skills while promoting hand eye coordination and fine motor development. Crafted from safe, non toxic ABS plastic with rounded edges, it ensures children's safety and provides a stable building experience.