One of the easiest paint designs your kids can do: Bottle Paint! Whether it's creating a single flower, or a vase of them or even a cherry blossom tree! This craft involves a few old bottles, paper, paint and you can let your kids run wild with it!
This would be great for a tinker bell costume. Not necessarily Tink-but maybe vidia, or the pirate fairy, all her colored dusts! Fire Pixie Fashion: LED Fairy Lights - Steampunk Costume Accessory and Fairy Room Decor