High School Student Builds 100% Wooden Bike

16 year-old Marco Facciola built this completely wooden bike for a school project, managing to avoid using any metal at all. Yes, this wooden wheeled wonder even has a chain and gearing made of wood, held together with wooden joints and glue. The detail in the free-wheeling ratchet and spacers between the chain links,… » 1/25/08 5:24am 1/25/08 5:24am