Vender [Ready Stock] Mini Stirling Engine External Combustion Engine Microgenerator Birthday Present Steam Engine Model Science and School al mejor precio

Description: Extremly -- 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. Specification: Size Approx.: 180x90x50mm / 7.08x3.54x1.96inch Package Includes: 1 Piece Hot Air Stirling Engine Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!