The product is made of high-quality food-grade silicone and has obtained relevant quality inspection certificates.Non-toxic and tastelessCan be cleaned with boiling waterA variety of bright colorsWhen you press the bubble, there will be a slight "pop" sound. After the game is over, you can turn the toy over to start the next round of the game.It can be used by children under 3 years old to exercise the child's ability to grasp objects. Good for practicing logical thinking and calculation skills.Game Rules:Players take turns to press the bubbles. Each player can press 1-3 bubbles at a time and must press the connected bubbles each time. If the player cannot press the bubble, it means the player has lost.You can also customize the game rules according to the situation.Note: Due to the different monitor and light effects, the actual color maybe a slightly different from the picture color.Please allow 1-2cm differs due to manual measurement.