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Stem Model enginediy | Enjomor Mini -Type Hot Air Stirling Engine Model - Stem ToyStem Model enginediy | Enjomor Mini -Type Hot Air Stirling Engine Model - Stem Toy
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Experiment Model

Stem Model enginediy | Enjomor Mini -Type Hot Air Stirling Engine Model – Stem Toy

$58.39
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Stem Model enginediy | Enjomor Mini Stirling Engine Model External Combustion Engine Stirling Cycle Engine With Horizontal FlywheelStem Model enginediy | Enjomor Mini Stirling Engine Model External Combustion Engine Stirling Cycle Engine With Horizontal Flywheel
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Experiment Model

Stem Model enginediy | Enjomor Mini Stirling Engine Model External Combustion Engine Stirling Cycle Engine With Horizontal Flywheel

$48.99
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Stem Model enginediy | Enjomor Retro Metal Steam Engine With Boiler - Vertical Transparent Cylinder Steam Engine Model - Stem ToyStem Model enginediy | Enjomor Retro Metal Steam Engine With Boiler - Vertical Transparent Cylinder Steam Engine Model - Stem Toy
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Experiment Model

Stem Model enginediy | Enjomor Retro Metal Steam Engine With Boiler – Vertical Transparent Cylinder Steam Engine Model – Stem Toy

$81.00
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Stem Model enginediy | Enjomor Speed-Controlled Single Cylinder Stirling Engine Model With Ball Bearing Flywheel - Stem ToysStem Model enginediy | Enjomor Speed-Controlled Single Cylinder Stirling Engine Model With Ball Bearing Flywheel - Stem Toys
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Experiment Model

Stem Model enginediy | Enjomor Speed-Controlled Single Cylinder Stirling Engine Model With Ball Bearing Flywheel – Stem Toys

$49.59
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Stem Model enginediy | Enjomor Stirling Engine Model Generator With Bulb And Voltage Digital Display Meter - Stem ToyStem Model enginediy | Enjomor Stirling Engine Model Generator With Bulb And Voltage Digital Display Meter - Stem Toy
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Experiment Model

Stem Model enginediy | Enjomor Stirling Engine Model Generator With Bulb And Voltage Digital Display Meter – Stem Toy

$46.19
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Stem Model enginediy | Enjomor Type 2 Cylinder 2 Piston Rocker Arm Linkage Stirling Engine Generator Model With Led Lamp Bead And Voltage Display Meter - Stem ToyStem Model enginediy | Enjomor Type 2 Cylinder 2 Piston Rocker Arm Linkage Stirling Engine Generator Model With Led Lamp Bead And Voltage Display Meter - Stem Toy
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Experiment Model

Stem Model enginediy | Enjomor Type 2 Cylinder 2 Piston Rocker Arm Linkage Stirling Engine Generator Model With Led Lamp Bead And Voltage Display Meter – Stem Toy

$97.86
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Stem Model enginediy | Enjomor Vintage -Type Stirling Engine Kit With Luminous Flywheel - Stem ToyStem Model enginediy | Enjomor Vintage -Type Stirling Engine Kit With Luminous Flywheel - Stem Toy
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Experiment Model

Stem Model enginediy | Enjomor Vintage -Type Stirling Engine Kit With Luminous Flywheel – Stem Toy

$25.59
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Stem Model enginediy | Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - EnginediyStem Model enginediy | Ford Mustang V8 Engine Model Kit - Build Your Own V8 Engine - Enginediy
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Experiment Model

Stem Model enginediy | Ford Mustang V8 Engine Model Kit – Build Your Own V8 Engine – Enginediy

$98.42
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Stem Model enginediy | Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment - Us PlugStem Model enginediy | Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment - Us Plug
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Experiment Model

Stem Model enginediy | Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment – Us Plug

$59.19
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Stem Model enginediy | Hfsstc High-Frequency Tesla Coil Plasma Candle Teaching Tool Experimental Science GiftStem Model enginediy | Hfsstc High-Frequency Tesla Coil Plasma Candle Teaching Tool Experimental Science Gift
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Experiment Model

Stem Model enginediy | Hfsstc High-Frequency Tesla Coil Plasma Candle Teaching Tool Experimental Science Gift

$80.00
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Stem Model enginediy | Hfsstc Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V Dc Diy Experimenting Device Teaching Tool Desktop ToyStem Model enginediy | Hfsstc Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V Dc Diy Experimenting Device Teaching Tool Desktop Toy
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Experiment Model

Stem Model enginediy | Hfsstc Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V Dc Diy Experimenting Device Teaching Tool Desktop Toy

$33.54
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Stem Model enginediy | Intelligent Solar Kowtow Machine Model Car Decoration Pumping Unit Model OrnamentStem Model enginediy | Intelligent Solar Kowtow Machine Model Car Decoration Pumping Unit Model Ornament
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Experiment Model

Stem Model enginediy | Intelligent Solar Kowtow Machine Model Car Decoration Pumping Unit Model Ornament

$33.54