Comfortable: Just press the mouse bubbles and they will make a slight popping sound; then flip them and start over! Can be reused and cleaned endlessly. Relieve stress: help restore mood, family parent-child interactive game essentials, games that the elderly, children and adults can play, stress-relieving toys, games that autistic patients can play. Unlimited fun: Players take turns to press any number of bubbles they want to arrange in a row, and the player who presses the last bubble will lose. It is suitable for all kinds of people and various living conditions. It can relieve fatigue in the office and unsatisfactory encounters in life. Toys for children with autism. Note:This product will only change color under the sun, not under the light, please pay attention before placing an order.