Hot Air Stirling Engine Motor External Combustion Engine Educational Toy for Children Science

Feature: 1. Premium Material: Stirling engine model is manufactured with high quality aluminum alloy + stainless steel + solid wood materials and fine craftsmanship to avoid rust and prolong service life. 2. Simple Operaton: Fill an ethyl burner with 95percent athyl and light it. Let the lamp burn the circular cylinder for about 20 seconds, then gently push the wheel and stirling engine will run like a charm. 3. Wide Applications: Can be used as an excellent gift for children"s science projects, physics or mechanical learning, classroom teaching props, and birthday gifts for friends, family, parents, children, etc. 4. Working Principle: Stirling engine converts thermal energy into mechanical work by circulating compressed and expanded air or other gases (working fluids) at different temperature levels. 5. Elegant Gift Packaging: Hot air stirling engine motors are an amazing and dreamy product. Its elegant gift packaging makes it gorgeous and stylish, having a wide range of applications. Specification: Item Type: Stirling Engine Model Product Material: Aluminum Alloy + Stainless Steel + Solid Wood Color: As Pictures Shown Weight: Approx. 458g/16.2oz Remarks: Accessory Ethanol Bottle (Without Liquid) Model Product Size: Approx. 18x9x9cm / 7.1x3.5x3.5in Scope of Application: for Children"s Science Projects, Physics/Mechanical Learning, Classroom Presentations, etc.. Package List: 1 x Engine Model1 x Ethanol Lamp1 x Ethanol Adding Tool3 x Hex Wrench1 x Sealing Ring1 x Needle Roller1 x Silicone Tube2 x Accessories1 x Chinese and English Manual