I know alot of people (including me!) that love to do crafts, but quickly quit because of not enough ideas.
You and Your Younger siblings:If you enjoy molding, squishing and modeling, Play-Dough has a website in which it includes literally hundreds (not actually 100s but still quite a few!) step-by-step instructions for neat projects. Play-Dough is cheap, it's easy to get (or make) and can be very fun and crafty. Click here to go to the website: Step by Step Instructions for Play Dough Creations
You and Your Older siblings: Like to sew? Check it out Easter Baskets to Sew. Even though it's past Easter you can still work on it for next year! How about crocheting click here: Bunny Hat for Babies