This lightweight wood bicycle as well as wooden boats and caravans can be built by you at home. Woodenwidget sells comprehensive how-to guides for build your own boats, bicycles and more. Their latest design is Hoopy, a wooden bike that can be put together in just two days. The one size fits all ride has a seat that can be lowered or raised and can comfortably carry two people. The required parts can be found secondhand or recycled from old bikes. The wood bicycle also only weighs 3 kilos.
In addition to Hoopy, Woodenwidget offers a variety of lightweight items, including two different folding dinghies, a nesting dinghy, a folding canoe and a hard dinghy as well as a two berth folding bike caravan.