Picture this: You are looking around a preschool classroom. In one corner, a group of four-year-olds is covered in shaving cream, using pool noodles to engineer an elaborate "lava pipeline" across a sensory table. Outside, a toddler is masterfully mixing mud, dandelions and woodchips into a “five-star soup,” while another is carefully tracking a bug through the fortress of a play castle. It looks like pure, chaotic fun, right? But if you look closer, you’re actually witnessin