Here are five magic tricks that kids can do. They don't require too much slight of hand (AKA coordination) yet are clever enough to fool adults (and not in the fake impressed kind of way).
Materials: Small box of crayons; scissors; tape. Preparation: If the box does not already have one, carefully cut a window into it so you can see the crayons in it. Cut the bottom half of the crayons, then tape the tops together so they look as they would normally when placed in the box....
Bananas really surprised me.