Train Car Bubble Fidget Silicon Toys

A brain-training game tool for toddlers and kids. It's good for develop kids mental arithmetic, thinking logic and fine motor when kids play it with game rules. Players take turns press the bubbles with different rules; the person pressed the last bubble, which lost the game. SOFT SILICONE MATERIAL: The fidget toys are made of high quality silicone material, safe, non-toxic, washable and durable. It's safety for kids to play without harm. Parents needn't worry about the toys will broken or dirty.