Garmin vívofit jr, Kids Fitness/Activity Tracker, 1year Battery Life, Red, Broken Lava $79.99 $47 Kids and parents, listen up. Playtime is about to get real with vívofit jr. This swim-friendly activity tracker is comfortable and secure enough to wear every day from school to soccer practice and even to sleep. vívofit jr. motivates kids with rewards and a mobile adventure trail to unlock. Behind the scenes, parents can track activity and assign chores via the free companion mobile app. It's all controlled from the adult's mobile device, offering parents less fuss and more fun. Buy Now