While "typically made of wood" might have been true of skateboards at some point, I don't think it's been true since the 1980s. Almost all the ones I see are composites. --Lee Daniel Crocker
What's an "Ollie"? --the EpoptThe foundation of all skateboarding tricks -- hard to describe in words, but basically the skater makes his board jump up into the air while he's riding it, up to several feet in the case of a particularly good skater.