GET THIS FREE RIGHT NOW (more colors are available):
HERE. Sign up FREE and you will get $10 credit. The slap watches are on sale for $7, normally $15. They say they are adjustable to fit most sizes. FREE Shipping, yay! Get your kid ready for school, for free!!!
They are a good company, and they do ask for credit card info, but they will NOT charge your card, if you use your credit, make sure the credit shows up on your account before you purchase.
Mariah (Please note, this is my referral link, but if you'd rather go directly to the website you can, savemore.com)