Credit: Ron Lach from Pexels What's the point of play? Is it simply a way to keep children occupied, or something more? For some, it's about learning literacy and numeracy. For others, it's how friendships form and relationships deepen. But it can be all of these at once, and more. Most parents recognize that play matters. But there's less agreement on what kind of play is best. Should children be guided towards activities designed to build specific skills, like sports for coordination, or construction for math and engineering? Or should the child's own interests lead the way, regardless of perceived educational value? Our research focuses on a type of play often dismissed as "just for fun"—playing with dolls. Across a series of studies, we found that doll play can help children understand other people's thoughts and feelings. This is a skill that underpins social interaction throughout life.…