Push and pop. It's a great fidget tool for hair pullers, nail biters, skin pickers and other sensory seekers. How to play a game with a "Rainbow Push Bubble Toy": Take turns pressing down any number of bubbles you wish in a single row. The player who presses down the last pop bubble loses. Warning: Wash before first use. Keep away from sharp objects. Always inspect before each use and discard if damaged. Never leave a child unattended. Always use this product under adult supervision. BPA FREE, PVC FREE, 100% Food Grade Silicone