1Sitting down and playing, relieve anxiety and stress in children and adults alike. Suitable for teens and adults. 2Just press the bubbles, and it will make a pleasant slight burst sound; Then flip it over and start again. 3A popular game that is washable and can be reused repeatedly, wonderful stress relieve accessory. 4Portable toy that ideal for playing when travel, dose not take up too much spaces and easy playing. 5Made of food grade silicone material, exquisite workmanship, nontoxic, tasteless and safe.