The Lomography Konstruktor is a an easy to build fully-functional 35mm SLR camera that features a removable lens, a top-down viewfinder, a max shutter speed of 1/80s, bulb mode for long exposures, and a tripod thread.
The camera comes in a cardboard box with a DIY components and a step-by-step instructions to assemble the plastic device. The DIY camera is available for $35 online.
Watch the video below to learn more about the camera.