Think of your tykes as mini personal trainers. Not only will you have to push yourself to match their energy, they'll also keep you on your toes because you'll never quite know what's next, thanks to their goldfish-like attention spans. (How did we go from playing with Barbie to running from monsters?)

Burns: 149 calories in 30 minutes

Time to burn off a granola bar: 19 minutes (yeah, we know you swiped the kid's snack).

Boost your burn: Kick off playtime with some sugar. You'll really have to step up your game to keep up.

Image via Giphy