Stirling Engine Model Aluminium Alloy Physical Engine Motor Model Kids Educational Toy for Classroom

Feature: 1. [Working Principle] Stirling engine is a heat engine, by circulating compressed and expanded air or other gases (working fluids) to operate at different temperature levels, thereby converting heat energy into mechanical work. 2. [Durable Material] Made of high quality aluminum alloy and wood material, whichi is durable, wear resistant, not easy to rust, and can be used for a long time. 3. [Exquisite Workmanship] Stirling engine model with exquisite workmanship and beautiful in appearance, which is the ideal choice for home decoration. 4. [Educational Toy] Stirling engine model is a great gift for children"s science projects, it helps children learn physics and mechanics. 5. [Widely Application] Widely used in many situations, such as classroom teaching props, birthday gifts for friends, family, parents, and children. Specification: Item Type: Engine Model Material: Aluminum alloy+wood Model Product Size: Approx. 18 x 9 x 9 cm / 7.1 x 3.5 x 3.5 in Application: For children"s science projects, physics, mechanical learning, classroom presentations Weight: Approx. 438g / 15.4oz. Package List: 1 x Engine Model1 x Ethanol Lamp1 x Add Ethanol Tool3 x Hex Wrench1 x Sealing Ring1 x Roller Pin1 x Silicone Tube2 x Accessories1 x Chinese And English Manual Note: Accessory ethanol bottle (without liquid)