Now $60, down $40 off its usual $100 sticker price, this miniature engine kit ... fewer than that of the V8. “The Playz V8 Model Engine is a great kit for learning about engines,” said one ...

It shouldn’t come as much of a surprise, then, that you can also still buy and build the Visible V8 model ... Wankel kit, a working, motorized 1:3 scale model of a two-rotor rotary engine.

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Gasoline is routed from a jar on the work bench. The mini V8 sits on a platform while the engine builder opens the throttle via a tiny wheel next to the air scoop. The sound it makes is nice and ...