I have my twin girls using these so I can check their activity and their quality of sleep. I was given one for my birthday myself and I like being able to see my heart rate. Unfortunately that is the only reason why I didn’t give this 5 stars because it doesn’t allow you to see their heart rate. Everything else is pretty basic but I like to set set timers on their watches if they have timeout, waiting for something, or other things. My girls are almost 4 and even though it’s for older ages I figured they’d grow into them and they are able to still wear them since they adjust to smaller wrists.

I love that it tracks your sleep. I also love that it has a stopwatch, alarm and timer. I like that you can change the screen and I hope they make new ones for it.

I think it's great for kids if you're trying to get them more active. My kids really enjoy their new Fitbit Ace watch. Unfortunately, only a month in (Xmas gift) and the band has already ripped/broken off. :( Not sure what BBY warranty policy is but will try to get it exchanged. Wish me luck since it's past its return date.

Birthday gift for 9 year old daughter. She loves it. Only downside is the band. Did not last very long before tearing. Daughter indicates screen freezes. Band material not the best. Fit bit itself great for child.

My son loves his Fitbit Ace 2.. Would definitely recommend it.