For many, Lego building is not kid's play at all. In fact, some amazing works of art and pieces of machinery have been made from this classic toy. Watch a cool video and see impressive images of Lego genius.
Some of the newer yo-yos have a special "clutch" system, so that when the yo-yo slows down it comes back up by itself. How does a yo-yo clutch work? See more »
Throwing a boomerang isn't as easy as it looks in cartoons. There's a technique to it -- learn how to throw a boomerang (and have it actually come back to you) in this article! See more »