Introducing vívofit jr. – a daily activity tracker just for kids from Garmin - Garmin Blog
Garmin vivosmart 4 review: If you don't need GPS, this is a great option
Garmin Vivofit Junior 2- Lado Luminoso Pulsera de Actividad para Niños, Ajustable, Color Naranja,Talla Única : Amazon.es: Deportes y aire libre
Amazon.com: Garmin vivofit jr. 3, Fitness Tracker for Kids, Includes Interactive App Experience, Swim-Friendly, Up To 1-year Battery Life, Digi Camo : Electronics