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Sunnytech Low Temperature Stirling Hot Air Stirling Engine Twin Flywheels Education Toy
Features Model LT001 Color Silver plate and Gold flywheel Speed up to RPM Start temperature difference about 20℃ Fahrenheit Material carbon steel, nickel-plated carbon steel, stainless steel, glass, bronze, PVC foam and plastics Size 3.94* 5.51 in Weight Packing list 1* stirling engine 1* very detailed user manual Features 1. Model 2. Speed 1300 to 1700 RPM 3. Weight 460g / 1.02Ib 4. Size L * W * H mm / 8.0 in* 3.93 in* 3.74in 5. Technical parameters flywheel diameter 54mm

Price is $69.00
Price: $68.99