1. The bubble makes a slight sound when pressed, then turns it over and starts again, endlessly reusable and washable.
2. Non-toxic, tasteless, will not cause harm to people and pets.
3. The rules are super simple and easy to read. Fast learning logic, planning ability, prevention of brain degeneration; bright colors and pleasant sounds are sure to please any child.
4. Release tension and stress by repeating a single action. You can have fun anytime, anywhere.
5. Small size, you can enjoy playing with yourself or invite friends to a quick brain game, also can be used as key chain for daily/travel bag pendants.
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-3mm measuring deviation due to manual measurement.