A fully loaded workshop play space See there? You could disguise that and use it in a traditional room. What is it? It's a "floor sweep". Simply sweep the crap into the box and the dust collector sucks it up.
Go-Karts: They're the most fun a kid can have on four wheels. We've got the plans and list of parts you need to build one for your family this Saturday and have the kids cruising around before sundown. (Just don't forget the helmets and seatbelts.