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$100- $200

Original price $191.39 - Original price $191.39
Original price
$191.39
$191.39 - $191.39
Current price $191.39

ENJOMOR Two Cylinder Stirling Engine Model Generator Teaching Show Model with Voltage Meter and LED Lamp Bead

ENJOMOR Two Cylinder Stirling Engine Model Generator Teaching Show Model with Voltage Meter and LED Lamp Bead Features:Stirling Engine: Dual heatin...

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Original price $191.39 - Original price $191.39
Original price
$191.39
$191.39 - $191.39
Current price $191.39
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Original price $114.99 - Original price $114.99
Original price
$114.99
$114.99 - $114.99
Current price $114.99

Mini Steam Engine Model with Heating Boiler and Alcohol Lamp

Metal Steam Engine Model Scientific Toy with Heating Boiler and Alcohol Lamp - Black Aluminum Alloy Base Features: .The steam engine is a recipro...

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Original price $114.99 - Original price $114.99
Original price
$114.99
$114.99 - $114.99
Current price $114.99
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Original price $177.49 - Original price $177.49
Original price
$177.49
$177.49 - $177.49
Current price $177.49

2 Cylinders Hot Air Stirling Engine Generator Model with Voltage Meter LED Bulb

2 Cylinders Hot Air Stirling Engine Generator Model  with Voltage Meter LED Bulb Balance Type  Science Experiment Educational Toy Features: Nove...

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Original price $177.49 - Original price $177.49
Original price
$177.49
$177.49 - $177.49
Current price $177.49
Original price $109.99 - Original price $109.99
Original price
$109.99
$109.99 - $109.99
Current price $109.99

Steam Turbine Model Science Experiment Teaching Kids Gift

Features: .Mechanical Crafts: This is a "unique" steam turbine designed with reference to the principles of steam turbines and aircraft engines, co...

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Original price $109.99 - Original price $109.99
Original price
$109.99
$109.99 - $109.99
Current price $109.99
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Original price $113.99 - Original price $113.99
Original price
$113.99
$113.99 - $113.99
Current price $113.99

ENJOMOR Miniature Mini Alpha Rocker Arm Connecting Rod Stirling Engine Model Science Education Toy Enthusiast Gift

ENJOMOR Miniature Mini Alpha Rocker Arm Connecting Rod Stirling Engine Model Science Education Toy Enthusiast GiftFeatures:Science Educational Toys...

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Original price $113.99 - Original price $113.99
Original price
$113.99
$113.99 - $113.99
Current price $113.99
Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99

Remote Controller, Receiver and Battery for Steam Car Dump Truck Model

Remote Controller, Receiver and Battery for Steam Car Dump Truck ModelMore Details:.Material: Plastic + Electronic Components + Battery.Product Wei...

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Original price $179.99 - Original price $179.99
Original price
$179.99
$179.99 - $179.99
Current price $179.99
Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99

TECHING Pedestrian Robot Model Kit That Works - 67Pcs

Teching Pedestrian Robot Engine Building Kit Full Metal Collection GiftPedestrian Robot mini engine build kit  requires the user to assemble the pa...

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Original price $129.99 - Original price $129.99
Original price
$129.99
$129.99 - $129.99
Current price $129.99
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