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Stem Model enginediy | Stark Unicoil Reciprocating Brushless Hall Motor Educational Technology ToysStem Model enginediy | Stark Unicoil Reciprocating Brushless Hall Motor Educational Technology Toys
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Stem Model

Stem Model enginediy | Stark Unicoil Reciprocating Brushless Hall Motor Educational Technology Toys

$22.04
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Stem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar ToyStem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar Toy
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Stark® Motor & Model

Stem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar Toy

$19.99
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Stem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar ToyStem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar Toy
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Solar Magnetic Levitation Motor

Stem Model enginediy | Stark Vehicle-Mounted Solar Aircraft Shape Motor Solar Toy

$19.99
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Stem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model ToyStem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model Toy
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Stark® Motor & Model

Stem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model Toy

$21.24
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Stem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model ToyStem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model Toy
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Solar Magnetic Levitation Motor

Stem Model enginediy | Stark Vehicle-Mounted Solar Double Windmill Motor Model Science Motor Model Toy

$19.99
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Stem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor ModelStem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor Model
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Solar Magnetic Levitation Motor

Stem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor Model

$43.39
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Stem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor ModelStem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor Model
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Stark® Motor & Model

Stem Model enginediy | Stark Vertical Maglev High Speed Brushless Motor Science Motor Model

$46.19
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Stem Model enginediy | Steam Engine Model Diy Kit Children Steam Engine Experiment Model - Science Museum At HomeStem Model enginediy | Steam Engine Model Diy Kit Children Steam Engine Experiment Model - Science Museum At Home
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Experiment Model

Stem Model enginediy | Steam Engine Model Diy Kit Children Steam Engine Experiment Model – Science Museum At Home

$26.39
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Stem Model enginediy | Steam Engine Model Generator Science Experiment ToyStem Model enginediy | Steam Engine Model Generator Science Experiment Toy
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Electric Generator Model

Stem Model enginediy | Steam Engine Model Generator Science Experiment Toy

$58.49
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Stem Model enginediy | Steam Engine Model Generator Science Experiment ToyStem Model enginediy | Steam Engine Model Generator Science Experiment Toy
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Mini Generator

Stem Model enginediy | Steam Engine Model Generator Science Experiment Toy

$58.49
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Stem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol LampsStem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol Lamps
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Electric Generator Model

Stem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol Lamps

$97.89
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Stem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol LampsStem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol Lamps
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Mini Generator

Stem Model enginediy | Steam Engine Model Kit Full Metal Steam Generator Steam Heating Boiler With 4 Alcohol Lamps

$87.00