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Multi Stage Steam Turbine Physics Equipment Demonstration Educational Toy Enginediy |
$34.99 |
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$34.99 |
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Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy |
$37.99 |
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$37.99 |
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Teching Engine Assembly Kit Full Metal Galileo Pendulum Clock Engine Building Kit Toy Gift |
$139.99 |
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$139.99 |
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V8 Engine Model Kit that Works - Build Your Own V8 Engine - V8 Engine for Capra VS4-10 |
$109.99 |
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$109.99 |
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