Fitbit Ace 3 Kids’ Activity Tracker $40 at Amazon $40 $79 Amazon has the Fitbit Ace 3 Kids’ Activity Tracker (Black/Red) for $40 with free shipping. This version has up to 8 days of battery life per charge. Compatible with iOS 12.2 or higher & Android OS 7.0 or higher. $40 retail: $79 Report Posted by Faraday03/14/2024 at 09:24 PM PT