My kids make has a yummy craft for Easter using jellybeans and elastic thread. To make this more kid friendly have the holes already punched in the jellybeans and all they'll need to do is string them.
Good for ages 4 and up.
Get the instructions here:
http://mykidsmake.com/2011/04/create/jelly-bean-bracelet/
Mom luck adds a ribbon to her version.
Get the instructions here:
http://momluck.com/jelly-bean-bracelet/
Artzy creations makes multi-row bracelets.
Get the instructions here:
http://artzycreations.com/easy-jelly-bean-bracelets/