http://retail.sillybrandzglobal.com/catalog/silly-bandz little colorful rubber bands that one wears on their wrist. they are all a different shape when taken off. kids have dozens of these, you wear them, trade them, play with them. new models can always come out depending on what's popular. after seeing the popularity that the livestrong bracelets and such have displayed, it's no doubt that these will a smashing hit. kudos to whoever thought of this and actually went through with the idea. you will be very rich very soon.