Mini Engine Hot Air Stirling Engine Motor Model Steam Power Technology Scientific Power Generation E

Extremly well-made-- the board is made of high quality steel with fine grinding and surface spray pain. Use high grade alloy stand; flywheel, air exchange piston, power cylinder liner and hot cylinder liner is made of aluminum fine cars, fine milling, texture and beauty double combination; axle joints connected with very high precision miniature bearings, stability without lubrication; this is a very elegant and smoothly.Easy operation.This is a fully functioning engine used as a teaching tool to demonstrate how energy(heat) can be transformed into mechanic work. Amazing conversation pieces on your desk & cool gift !This model is in the form of loose parts, exercise hands-on ability, and the entire metal structure can be repeatedly disassembled.Size: 160x87x100mm \/ 6.29x3.42x3.93inchcolour: goldMaterial: alloyPackage Contents:1 x Stirling EngineOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.