This is a space theme balance game. Children can use this set of toys for fun activities, by finding the blocks of similar weight, putting them in suitable place to maintain balance. This toy includes the sun,8 planets and other 7 space theme blocks. Bright colors, cute pattern, kids will love it at the first sight. It is designed to train children’s concentration, thinking skills, logic, hands-on skills, and improve their emotional control and pressure resist through the process of play.