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Mini Strandbeest Metal Mechanical Gear-Driven Walking Strandbeest Model with Stand Base for Experimental Science DemonstrationMini Strandbeest Metal Mechanical Gear-Driven Walking Strandbeest Model with Stand Base for Experimental Science Demonstration
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Experiment Model

Mini Strandbeest Metal Mechanical Gear-Driven Walking Strandbeest Model with Stand Base for Experimental Science Demonstration

Original price was: $139.99.Current price is: $92.89.
Mini Swing Type Steam Engine Generator Steam Power Machine Educational and Hobby GiftMini Swing Type Steam Engine Generator Steam Power Machine Educational and Hobby Gift
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Diy Model

Mini Swing Type Steam Engine Generator Steam Power Machine Educational and Hobby Gift

$40.99
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Miniature 12V DC Generator for SEMTO ST-NF2 Engine DIY Modification MotorMiniature 12V DC Generator for SEMTO ST-NF2 Engine DIY Modification Motor
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Diy Model

Miniature 12V DC Generator for SEMTO ST-NF2 Engine DIY Modification Motor

Original price was: $59.99.Current price is: $44.99.
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Music Tesla Coil Ambipolarity SSTC Singing Plasma Loudspeaker Artificial Lightning Magnetic Storm Coil Experiment ModelMusic Tesla Coil Ambipolarity SSTC Singing Plasma Loudspeaker Artificial Lightning Magnetic Storm Coil Experiment Model
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Stem Model

Music Tesla Coil Ambipolarity SSTC Singing Plasma Loudspeaker Artificial Lightning Magnetic Storm Coil Experiment Model

Original price was: $149.99.Current price is: $101.89.
Musical Tesla Coil Plasma Horn Electronic Science Technology Experiments Educational ToyMusical Tesla Coil Plasma Horn Electronic Science Technology Experiments Educational Toy
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Stem Model

Musical Tesla Coil Plasma Horn Electronic Science Technology Experiments Educational Toy

$47.99
Musical Tesla Coil Singing Plasma Arc Speaker Thoramin Wireless Transmission Experiment Desktop Toy ModelMusical Tesla Coil Singing Plasma Arc Speaker Thoramin Wireless Transmission Experiment Desktop Toy Model
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Stark® Motor & Model

Musical Tesla Coil Singing Plasma Arc Speaker Thoramin Wireless Transmission Experiment Desktop Toy Model

$120.99
Mystery Box - Build Your Own Engine Kit
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Diy Model

Mystery Box – Build Your Own Engine Kit

$95.89
Mystery Box - Build Your Own L6 Engine Model Kit
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Build Your Own Engine

Mystery Box – Build Your Own L6 Engine Model Kit

$127.99
Sale!
Mystery Box - Build Your Own Turbofan Engine Model Kit
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Build Your Own Engine

Mystery Box – Build Your Own Turbofan Engine Model Kit

Original price was: $99.99.Current price is: $65.99.
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Mystery Box - Build Your Own V10 Engine Model Kit
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Build Your Own Engine

Mystery Box – Build Your Own V10 Engine Model Kit

Original price was: $69.99.Current price is: $47.89.
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Mystery Box - Build Your Own V12 Engine Model Kit
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Build Your Own Engine

Mystery Box – Build Your Own V12 Engine Model Kit

Original price was: $59.99.Current price is: $43.89.
Sale!
Mystery Box - Build Your Own V16 Engine Model Kit
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Diy Model

Mystery Box – Build Your Own V16 Engine Model Kit

Original price was: $219.99.Current price is: $120.89.
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