Kids, here is important advice: If you can’t make a yo-yo do magnificent tricks, don’t worry. What? You don’t know what a yo-yo is. Well, sit down for five minutes and listen to someone who used to be ...

If you decide to try this week’s project and your mother asks what you’re making, tell her, “It’s a yo-yo, Ma.” OK, we apologize, but the chance to make a pun like that one doesn’t come along every ...