We bought my 6-year-old son birthday this clock. Unfortunately it is too big (almost as big as my own watch) and the bracelet can not be so closely also set that fits around his wrist. Still, he wanted to wear the clock, but then we realized that the battery is apparently very empty because the clock that is a very short time goes by. Since we are anyway not so satisfied, we are not yet 15 euro to spend on as replacing the battery, but rather buy the same a new clock.