Mini Handcrafted Cup Lid Heat Engine, Three-Blade Propeller Low Temperature Stirling Engine Model, Physics Science Experiment for Youth Adult

Three-Blade Propeller Low-Temperature Stirling Engine ModelSpecifications: .Material: Metal + Plastic .Product Weight: 90g .Package Weight: 200g .Product Dimensions: 7.6 x 7.6 x 10cm .Package Dimensions: 10 x 10 x 15cm .Packing: BoxPackage Including.Stirling Engine *1.Instruction Manual *1

• Metal + Plastic
• Safe Stirling Engine Model: Runs on heat from a cup or hand—demonstrates real heat-to-energy conversion with no electricity
• Elegant 3-Blade Propeller: Stylish propeller adds visual flair in motion—perfect for collectors and STEM enthusiasts
• Premium Alloy Build: Made from aluminum, stainless steel, and glass with a mirrored base for durability and style
• Friendly Operation: No fuel or batteries needed—showcases clean energy with a low-temp Stirling cycle
• Great Gift or Decor: A unique desk piece and gift for students, teachers, engineers, or science fans