150 pieces of premium marble balls with transparent pieces, endless fun for your child to watch them. Marbles run along the tracks
High-quality set! The package includes 100 different color action pieces made of high-quality quality clear, solid ABS and 50 pieces of normal-sized glass balls.
All tracks are easy to stick and the set is stable once built with our professionally designed molds.
This STEM marble step set comes with assembly instructions to help kids coordinate their eyes and hands. After learning, they will be able to build different tracks with their imagination and logical mind. Perfect Toy Set to develop children's creativity, logical thinking and hand-eye coordination. Play and gain patience and problem-solving ability. Great gifts for any kid.
