Keeping up with changes in automotive technology, in 1973, Renwal introduced the Visible Wankel kit, a working, motorized 1:3 scale model of a two-rotor rotary engine. As it is much rarer ...

It's a 1:3 scale kit with see-through parts and internals that move, driven by an electric motor. We are big fans of tiny engines at Motor1, and this 1:3 scale Ford V8 engine model has us ...