ME15143 遊戲牆專用滾珠系統(440pcs)
Children love creating their special ball tracks. The Masterkidz  Ball Track System is the ultimate ball track toy with which children  can construct paths and tracks by adding dominoes, direction changers and other motion gears. It is the ultimate STEM toy children can learn and enjoy. The ball track system can be playedon table, floor and, more importantly, on the Masterkidz STEM Wall! Children can also build a ball track on the STEM Wall extending to a table and floor.
440 Piece Set in 5 translucent colours. 
Ages 3yrs+