Joytopiaminds Stirling Engine Model Kit, Alpha-Type Dual Cylinder Hot Air Stirling Engine with Dual-Piston for Physical Science Experiment Display

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Authentic Alpha Stirling Operation: Demonstrates horizontal opposed piston movement powered by heat expansion cycles. Starts easily with included alcohol lamps - no batteries required Premium CNC-Machined Construction: Features precision aluminum... More

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Advanced α-Type Configuration Our Stirling engine adopts advanced α-type double cylinder double piston design, which ensures excellent heat transfer efficiency. With separate hot and cold cylinders and stainless steel insulation between the... More

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Real-Time Energy Conversion - Generates 3-5V electricity to power multicolor LEDs! Watch kinetic energy transform into light - visible piston motion demonstrates thermodynamics in bright/dark environments Dual-Tone Electroplated Finish - Choose... More

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【Premium Durable Build】Features a brushed aluminum alloy base, stainless steel connecting rods, and thickened reinforced glass heating cylinder for safe, long-lasting operation. Withstands extended heat without pressure issues 【Hands-On STEM... More

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Gamma-Configuration Design - Features a distinctive gamma-style mechanism for smooth operation. Starts easily by rotating the flywheel and heating with the included alcohol lamp, creating captivating kinetic motion on your desk Dual Lighting... More

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️ Classic Balance Beam Design: Features a miniature balance beam mechanism (8.7x3.5x5.6cm) demonstrating Stirling engine principles with visible piston-flywheel coordination. Precision brass/stainless/aluminum construction ensures smooth operation ... More

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Unique Semi-Exposed Design: Features partial cutaway construction revealing internal free-piston mechanism. Demonstrates Stirling cycle principles through visible heat-driven motion (16x9.5x7.5cm) Authentic External Combustion: Powered solely by... More

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Horizontal Flywheel Design: Features distinctive CNC-machined aluminum flywheel achieving high-speed rotation when heated. Showcases mesmerizing kinetic energy conversion (16×8×6.5cm / 470g) External Combustion Operation: Powered solely by... More

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Gold-Plated Precision Craftsmanship - CNC-machined copper body with imitation gold electroplating. Bamboo base provides natural vibration damping for smooth 1500RPM operation Real-Time Energy Classroom - Observe piston motion through unbreakable... More

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1-Minute Kinetic Wonder - Watch the flywheel spin rapidly after just 60 seconds of alcohol lamp heating! Powers the multicolor LED bulb through clean energy conversion - no batteries or external power needed Hypnotic Light & Premium Build -... More

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️ True Free-Piston Mechanism: Features authentic Ringbom design where the displacer operates without mechanical linkage - powered solely by pressure fluctuations. Experience unique thumping operation with only 4 moving parts for consistent RPM ... More

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Dual-Power Illumination - Generates electricity to light both LED diodes and incandescent bulbs simultaneously. Visualize real-time energy conversion from heat to motion to light—no batteries required (95% alcohol fuel only) Premium Gold... More

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🧲【Innovative Magnetic Connection】Features single-link structure with magnetic power piston - unique design positions the power cylinder directly above the hot chamber for efficient thermal transfer ️【Precision Aluminum Construction】Includes... More

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Unique styling: the power cylinder is separated from the thermal cylinder and then combined into an L-shape. Unlike other models, it attracts people's attention. The Stirling motor equipped with a multi-coloured LED can be installed on the motor... More