Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.
homemadecrap: DIY Garden Baskets for Storage via Centsational Girl (through Better Homes & Gardens Magazine) This I will be doing for the kiddo’s room. Garden basket storage for stuffed toys, love on a billion levels.