Here is a neat gift idea for young engineers in your life. The Teching 1:24 Four-Cylinder Engine Kit comes with everything users need to put a functional engine together. It has an aluminum alloy construction and measures 182×150×120mm.
TECHING 4 Cylinder DOHC Model Engine - Build Series Part 1
TECHING 4 Cylinder DOHC Model Engine - Build Series Part 2 - Completed
Detailed instructions are included so you can put it all together faster. Costs under $350 at this time.
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