Retro Stirling Engine Motor Model External Combustion Engine Science Educational Decoration Toy

Feature: 1. Long Service Life: Made of high quality copper and stainless steel to prevent rust and prolong its service life. 2. Main Features: It is a meticulously designed and manufactured mechanical toy, very suitable for demonstrating the basic principles of external combustion engines. 3. Scientific Overall Structure: Scientific designs of the overall structure to assure system integrity and stability. 4. Scope of Application: Suitable for use in classrooms or laboratories to cultivate children"s interest in physics. 5. Perfect Gift: This retro and beautiful Stirling engine is a great gift for friends, family or yourself. Specification: Item Type: Stirling Engine Model Material: Copper + Stainless Steel Product Color: As Pictures Shown Product Size: 16x9x14cm / 6.2x3.5x5.5in Product Weight: Approx. 750g / 26.5oz Scope of Application: For Children"s science projects, physics/mechanical learning, classroom presentations, etc.. Package List: 1 x Engine Model1 x Bottle (without liquid) 3 x Hex Wrench1 x Wick2 x Accessories1 x Chinese And English Manual