They’re watching you. Your little ones, we mean. Mimicking your every spectacular deed — in fast-forward. Running laps around the coffee table (“I’m vacuuming!”), battering the computer keys with a squeaky hammer (“I’m working!”). How to settle them down into a positive (and contained) outlet for their excess physical enthusiasm? Hmm. Sounds like it’s time to play gym. Sport-Fun has designed a line of mini fitness machines for children ages 4 to 12. Called KidStarts, the bike, treadmill, and weights come in vibrant primary colors and are the perfect size for petite abs, pecs, and quads. And before you go all PMD (Paranoid Mommy Disorder) on us, don’t think of this as small bodies becoming hard bodies. Think of it as planting the seeds for a lifetime of healthy habits. Which is more than hand-eye coordinating on Nintendo can do for them. For more information, go to sportfun.com. Available nationwide at The Sports Authority. To locate a store near you, go to thesportsauthority.com.