The worlds smallest caravan. Designed to be towed by a mobility scooter but can be adapted to be towed by a bicycle.
http://www.thegreatoutdoorsrv.com/rockwood/2702ws The 2702WS features great living space and sleeping capacity. The kitchen and sofa slide provides a lot of room to enjoy company or simply relax. The bunk system includes two large 48×76 beds and the master now has a slide for the wardrobe which provides ample space. The 2702WS is a great pull-behind camper trailer for you and your family.
Wiring Basics and keeping the lights ON. - Pull Behind Motorcycle Trailers