Stirling Engine Model Kit - Free Piston Physics Science Experiment Toy for Kids & Adults - STEM Educational Gift for Birthday, Christmas & Science Fair - Perfect for Classroom Demonstrations & Home Learning Projects

How to Use: Add two thirds of 95% alcohol (not included) to the alcohol lamp, light it, heat it for about 10, then turn the flywheel and the engine will run Specification: Item Type: Engine Model Product Material: Aluminium Alloy, Glass, Bamboo Size: Approx. 11x6.4x6.5cm/4.3x2.5x2.6in Rough Weight: Approx. 285g/10.1oz Scope of Application: For Children's Science Projects, Physics and Mechanical Learning, Classroom Presentations, Etc. Package List: 1 x Ornaments 1 x Alcohol Lamp Note: Please allow some error due to manual measurement.

PREMIUM QUALITY: Stirling engine model is made of high quality aluminium alloy materials and fine craftsmanship to avoid rusting and prolong the service life.

WIDE RANGE OF APPLICATIONS: Stirling engine motor makes a great gift for children's science projects, physics and mechanical learning, classroom props, birthday gifts for friends, family, parents, kids, etc.

EASY TO OPERATE: Stirling engine motor toy is simple to operate, so that children can operate their own hands, while playing can also observe the engine model.

EDUCATIONAL DESIGN: Stirling engine is a heat engine that operates by circulating compressed and expanded gases (working fluid) at different temperature levels, thereby converting heat energy into mechanical work on net.

EXQUISITE ORNAMENTS: Stirling engine motor toy can be an excellent gift with a novel and unique design, simple and exquisite shape. Both children and adults like this engine model.