An active child is a wonderful thing . . . that is, unless they're stuck inside. Pent-up energy is frustrating for kids and exhausting for parents. With Summer winding down, more time inside is inevitable, but this year, we're going to be prepared — and so are you! These 30 indoor activities aren't just boredom-busters; they're also guaranteed to expend some of that restless energy that you know your kids are full of. Just put away your breakables, and get started!