The SandwichBike not only sounds delicious in name, it's delightfully customizable. It comes to you in the mail, and you assemble it all by yourself. And though that sounds daunting, it's supposed to be insanely easy.
The Sandwichbike was designed by Basten Leijh, who completely rethought what you'd think of as far as a traditional bike goes. For example, instead of a metal frame, its skeleton is a formed from two weather-coated pieces of layered plywood sandwiched together (thus the name). It comes to you in a flat box that has all the parts inside—the chain, the bolts, the pedals, and everything you need for your foot-powered vehicle. More here.