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Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - EnginediyBrushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy - Enginediy
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Stark® Motor & Model

Brushless DC Motor 5000-10000 RPM Disc Motor Model Science Toy – Enginediy

Original price was: $199.99.Current price is: $131.89.
Electrolysis Water Hydro Generator - Oxy-hydrogen Flame Generator Kit - EngineidyElectrolysis Water Hydro Generator - Oxy-hydrogen Flame Generator Kit - Engineidy
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Diy Model

Electrolysis Water Hydro Generator – Oxy-hydrogen Flame Generator Kit – Engineidy

$140.89
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Marx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model - EnginediyMarx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model - Enginediy
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Diy Model

Marx Generator Kit 10 Stage High Voltage DIY Lightning Experiment Educational Model – Enginediy

Original price was: $139.99.Current price is: $97.99.
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Mendocino Motor Solar Magnetic Levitation Motor Engine Science ToyMendocino Motor Solar Magnetic Levitation Motor Engine Science Toy
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Solar Magnetic Levitation Motor

Mendocino Motor Solar Magnetic Levitation Motor Engine Science Toy

Original price was: $39.99.Current price is: $29.99.
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
Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - EnginediySolar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand - Enginediy
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Solar Magnetic Levitation Motor

Solar Magnetic Levitation Model Levitating Mendocino Motor Educational Model Vertical Stand – Enginediy

$26.89
Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy - EnginediySolar Magnetic Levitation Model Mendocino Motor Engine Science Toy - Enginediy
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Experiment Model

Solar Magnetic Levitation Model Mendocino Motor Engine Science Toy – Enginediy

$30.89
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Stark 2 Blades Vehicle-mounted Solar Windmill Motor Solar Toy Scientific Physics ToyStark 2 Blades Vehicle-mounted Solar Windmill Motor Solar Toy Scientific Physics Toy
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Experiment Model

Stark 2 Blades Vehicle-mounted Solar Windmill Motor Solar Toy Scientific Physics Toy

Original price was: $14.99.Current price is: $10.89.
Stark 6 Coils Ring Accelerator Cyclotron High-tech Physics ModelStark 6 Coils Ring Accelerator Cyclotron High-tech Physics Model
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Stark® Motor & Model

Stark 6 Coils Ring Accelerator Cyclotron High-tech Physics Model

$80.99
STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech ToySTARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy
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Stark® Motor & Model

STARK SSTC Music Tesla Coil Integrated Arc Extinguishine Tesla Teaching Model High-tech Toy

$90.89
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Stark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor ModelStark Tesla's Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model
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Experiment Model

Stark Tesla’s Egg of Columbus AC Motor Tesla Coil Motor Science Motor Model

Original price was: $149.99.Current price is: $103.99.
TECHING Metal DIY Mechanical Solar System Model Kit Dynamic Orbital Desk Ornament - 600+PCSTECHING Metal DIY Mechanical Solar System Model Kit Dynamic Orbital Desk Ornament - 600+PCS
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Build Your Own Engine

TECHING Metal DIY Mechanical Solar System Model Kit Dynamic Orbital Desk Ornament – 600+PCS

$132.99
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