Joytopiaminds Stirling Engine Model Kits, Balance Beam Style Hot Air Stirling Engine with LED Light Generator for Physical Science Experiment Display

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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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This engine is a balance different from the regular stirling model. It is mainly constructed by metal so it can run quietly and stably. and anti-rust Great kid science project, Physical/mechanical learning, teacher’s props on birthday families,... 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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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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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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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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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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Advanced Alpha-Type Design: Features dual 20mm cylinders/pistons with separate heating/cooling chambers creating 500°C+ temperature differential for exceptional thermodynamic efficiency. Stainless steel insulation optimizes heat transfer in this... 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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【Twin-Cylinder Power Generation】Features dual heating cylinders with quartz tubes - generates electricity to illuminate included LED bulb through thermal expansion of dry air (18×8×8cm) ️【Secure Fuel System】Aluminum base plate with integrated groove... More

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Retro Industrial Design - Bronze-finished γ-shape generator with CNC-machined aluminum alloy body, quartz glass cylinders, and wooden base. Features iconic dollar-pattern flywheel—combines vintage aesthetics with precision engineering (460g) ... More

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【Instant STEM Experiment】Pre-assembled and ready to run - demonstrates thermal-to-electrical conversion using 95% alcohol (not included) to power the included LED bulb via quartz tube heating ️【Industrial-Grade Safety】Magnetic alcohol cylinder... More