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ENJOMOR Flame Eater Vacuum Stirling Engine Thermal Engine - STEM Toy
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ENJOMOR Flame Eater Vacuum Stirling Engine Thermal Engine – STEM Toy

Original price was: $89.99.Current price is: $62.99.
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ENJOMOR Metal Stirling Airplane Model Set STEM Science Education Toy Boutique Decoration
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ENJOMOR Metal Stirling Airplane Model Set STEM Science Education Toy Boutique Decoration

Original price was: $109.99.Current price is: $76.99.
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ENJOMOR Metal Stirling Engine Model - STEM Toy
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ENJOMOR Metal Stirling Engine Model – STEM Toy

Original price was: $199.99.Current price is: $98.99.
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ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model Toy
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ENJOMOR Plane Head Stirling Engine Pocket Free-piston Motor External Combustion Engine Model Toy

Original price was: $54.99.Current price is: $38.49.
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Fan Blade Magnetic Levitation Solar Motor Model Mendocino Motor Science Educational Toys
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Fan Blade Magnetic Levitation Solar Motor Model Mendocino Motor Science Educational Toys

Original price was: $39.99.Current price is: $27.99.
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HFSSTC Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V DC DIY Experimenting Device Teaching Tool Desktop Toy
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HFSSTC Tesla Music Coil Electronic Candle High Frequency Plasma Flame 36-48V DC DIY Experimenting Device Teaching Tool Desktop Toy

Original price was: $54.99.Current price is: $38.49.
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Horizontal Single Cylinder Stirling Engine Model Science Experiment Stem Toy With Ball Bearing Flywheel
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Horizontal Single Cylinder Stirling Engine Model Science Experiment Stem Toy With Ball Bearing Flywheel

Original price was: $79.99.Current price is: $55.99.
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Hot Air Stirling Engine 2 Cylinder Colorful LED Education Toy Electricity Generator Model (M14-22-D)
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Hot Air Stirling Engine 2 Cylinder Colorful LED Education Toy Electricity Generator Model (M14-22-D)

Original price was: $149.99.Current price is: $96.99.
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Hot Air Stirling Engine Model Crawler Tank Physical Experiment Educational Toy
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Hot Air Stirling Engine Model Crawler Tank Physical Experiment Educational Toy

Original price was: $74.99.Current price is: $52.49.
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Hot Air Stirling Engine Motor Model Brass Cylinder Electricity Generator Stem Toy
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Hot Air Stirling Engine Motor Model Brass Cylinder Electricity Generator Stem Toy

Original price was: $45.99.Current price is: $32.19.
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Hot-air Stirling Engine Simple Metal Motor External Combustion Model Toy
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Hot-air Stirling Engine Simple Metal Motor External Combustion Model Toy

Original price was: $21.99.Current price is: $15.39.
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HUINA 1593 1:14 RC Excavator Remote Control Truck 22CH 2.4G Engineering Model Toy
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HUINA 1593 1:14 RC Excavator Remote Control Truck 22CH 2.4G Engineering Model Toy

Original price was: $299.99.Current price is: $95.99.