This planet toy is not easy to damage. Each planet can be disassembled, can install back to the original way, exercising children's hands-on ability. This fidget toy has a pretty cute shape and bright colors. Fingers can repeatedly bounce bubbles in and out, and make a slight explosion at the same time. It's so fun!! This fidget toy is suitable for students, office workers, and a daily heavy-stress person lacking attention or hyperactivity disorder.