The JOYIN 196 Pcs Marble Run Compact Set Construction Building Blocks Toys STEM Learning Toy

Valuable toy set includes 156 pieces variety color action parts and 40 small glass marbles All tracks are easy to stick together and the set is stable once build up with our professional designed molds Manufactured by JOYIN. This STEM marble run set comes with an assembly instruction to help kids hand-eye coordination. After they learned they will have ability to build any different tracks by their imagination and logical mind. Perfect Toy Set to develop kids creativity logical thinking hand-eye coordination. Play and Gain patient and problem-solving ability. Excellent Gifts for all kids CHILD SAFETY: Meet US Safety Standard Safety Test Approved 100% Non-Toxic 196 Pcs compact marble run set with transparent parts endless fun for your child to watch marbles run along tracks