1. When pressed, the bubble will make a slight popping sound. Then flip it over and start over! Can be reused and cleaned endlessly.
2. Non-toxic, tasteless, and will not cause harm to people and pets.
3. The rules are super simple, understand at a glance, quick start, logical reasoning, planning ability, prevention of brain degeneration, also a very good parent-child interactive toy.
4. Bright colors and pleasant sounds will surely satisfy any child!
5. An ideal gift for your friend.
Size: 30*18 cm