Decompression artifact: squeeze bubbles, in the process will make a slight popping sound to reduce stress and relieve anxiety. It is suitable for parent-child games to increase interaction and can be played by children, adults and the elderly. | Material safety: It is made of high-quality silica gel, can be reused, is easy to carry, and can be cleaned at will. Parents please rest assured to use it for children or pets. | Usage rules: Each player takes turns to click on one or more consecutively connected bubbles, and the player with the last bubble will lose the game. You can reverse it and start over. Of course, you can also make your own game rules. | More functions: Help children inspire intelligence, exercise concentration and divergent thinking; prevent brain degeneration in the elderly, and reduce the chance of Alzheimer's disease. | Featured gift: an excellent sensory gift for autistic patients. It can also be used for family gatherings and outdoor games. This is a good product for killing time and enhancing the relationship between family and friends.