Ust press the mouse bubbles down and they make a slight popping sound; then flip it over and start again! Endlessly reusable and washable, too.
Non-toxic, tasteless,will not cause any harm to humans and pets.
Bright colors and pleasant sounds are sure to please any child!
Ideal gift for your friend.
Due to the different monitor and light effect, the actual color maybe a slight different from the picture color.
Please allow 1-2cm differs due to manual measurement.