NULA Stirling Engine Model Kit That Runs, Professional Suction Fire Type Pure Copper Air Cylinder Heat Energy Engine Model That Works Physics Science Experiment Toy for Adults Teens

• 【Premium Build Quality】: Constructed with high-quality materials, including brass and aluminum alloy, for a durable, aesthetically appealing design. Product Dimensions: 15*8.5*12cm
• 【High-Performance Engine】: All-copper hot cylinders ensure smooth operation at speeds ranging from 100-2000 rpm, providing high power and efficiency.
• 【Easy to Use】: Simple setup, no debugging required, and ideal for beginners. The engine is maintenance-free and easy to clean with alcohol.
• 【Educational Tool】: A hands-on experience to understand Stirling engine principles, perfect for learning about physics through real-time operation.
• 【 Safe & Reliable】: Recommended for users 15 and older, with safety precautions against high temperatures during operation. ideal for collectors and hobbyists focused on Stirling engine models.

Specifications: .Color: Yellow .Material: Aluminum Alloy + Stainless Steel + Brass .Product Dimensions: 15*8.5*12cm .Product Weight: 1050g .Package Dimensions: 17*10*14cm .Package Weight: 1100g .Packing: Box Package Content: .1 x Engine Model Package Including .1 x Engine Model