1Just press the bubbles and they will make a slight popping sound, then flip them and start over. 2Made of food grade silicone material, safe and nontoxic, nonirritating, skinfriendly, reusable and washable. 3When people are under stress or anxiety in work or life, this toy can make them calm, relax and concentrate. 4This is a great game for children with ADHD, autism or high anxiety, help restore mood and relax body and mind. 5Light weight and portable, easy to carry to different places such as car, buses, parks, restaurants or schools.
