Q. What's got wheels, is low to the ground, and moves?

But watch out -- especially if you're a beginner -- or beginning to do stunts. About 300 kids a week go to hospital emergency rooms with skateboard-related injuries.

Helmets and other protective gear for your body -- wrists, elbows, knees -- can help cushion falls.

But you have to wear the gear -- and wear it every single time. If not, the only traction you'll get may be in a hospital bed.

Here is more on skateboards.