Fitbit Ace vs Fitbit Ace 2: what's the difference?
Fitbit Ace™ Kids Wristband
Fitbit Launches Ace Fitness Tracker for Kids | Time
Amazon.com: Fitbit Ace 3 Activity Tracker for Kids 6+, Blue Astro Green, One Size : Sports & Outdoors
Activity Tracker for Kids | Shop Fitbit Ace 3
Amazon.com: Compatible with Fitbit Ace 3 Bands for Kids, Silicone Replacement Band Water Resistant Fitness Watch Starp for Fitbit Ace 3 Kid's Band (5-Pack-A) : Cell Phones & Accessories