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Stem Model * | Enginediy Tc Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment Us PlugStem Model * | Enginediy Tc Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment Us Plug
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Stem Model

Stem Model * | Enginediy Tc Handheld Tesla Coil With 10Cm Long Arc Artificial Lightning Generator Educational Science Experiment Us Plug

$34.27
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Stem Model * | Enginediy Tesla Coil Wireless Transmission Plasma Speaker Spark Gap Lightning Simulator High Frequency Ac With 15Cm ArcStem Model * | Enginediy Tesla Coil Wireless Transmission Plasma Speaker Spark Gap Lightning Simulator High Frequency Ac With 15Cm Arc
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Stem Model

Stem Model * | Enginediy Tesla Coil Wireless Transmission Plasma Speaker Spark Gap Lightning Simulator High Frequency Ac With 15Cm Arc

$54.67
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Stem Model * | Enginediy Tesla Music Coil Plasma Speaker Singing Loudspeaker Experimenting Device Teaching Tool Desktop ToyStem Model * | Enginediy Tesla Music Coil Plasma Speaker Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy
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Stem Model

Stem Model * | Enginediy Tesla Music Coil Plasma Speaker Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy

$36.81
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Stem Model * | Enginediy Tesla Music Coil With 20Cm Lightning Storm Experimenting Device Teaching Tool Desktop ToyStem Model * | Enginediy Tesla Music Coil With 20Cm Lightning Storm Experimenting Device Teaching Tool Desktop Toy
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Experiment Model

Stem Model * | Enginediy Tesla Music Coil With 20Cm Lightning Storm Experimenting Device Teaching Tool Desktop Toy

$83.77
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Stem Model * | Enginediy Tooth Musical Tesla Coil Plasma Singing Loudspeaker Scientific Experiment Desktop Educational ToyStem Model * | Enginediy Tooth Musical Tesla Coil Plasma Singing Loudspeaker Scientific Experiment Desktop Educational Toy
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Experiment Model

Stem Model * | Enginediy Tooth Musical Tesla Coil Plasma Singing Loudspeaker Scientific Experiment Desktop Educational Toy

$41.98
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Stem Model * | Enginediy Two-Cylinder Stirling Engine Model Physics Experiment Generator ModelStem Model * | Enginediy Two-Cylinder Stirling Engine Model Physics Experiment Generator Model
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Electric Generator Model

Stem Model * | Enginediy Two-Cylinder Stirling Engine Model Physics Experiment Generator Model

$31.86
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Stem Model * | Enginediy V12 Electromagnetic Engine 5V 6W 12 Coils High Speed V-Shaped Automobile Engine Model For Gift CollectionStem Model * | Enginediy V12 Electromagnetic Engine 5V 6W 12 Coils High Speed V-Shaped Automobile Engine Model For Gift Collection
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Electromagnetic Motor

Stem Model * | Enginediy V12 Electromagnetic Engine 5V 6W 12 Coils High Speed V-Shaped Automobile Engine Model For Gift Collection

$81.01
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Stem Model * | Enginediy V4 Electromagnetic Engine Model | 6-12V 5A All-MetalStem Model * | Enginediy V4 Electromagnetic Engine Model | 6-12V 5A All-Metal
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Electromagnetic Motor

Stem Model * | Enginediy V4 Electromagnetic Engine Model | 6-12V 5A All-Metal

$77.85
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Stem Model * | Enginediy V6 Electromagnetic Engine Model 6 Cylinder High Speed Car Engine Working Principle Stem ToyStem Model * | Enginediy V6 Electromagnetic Engine Model 6 Cylinder High Speed Car Engine Working Principle Stem Toy
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Electromagnetic Motor

Stem Model * | Enginediy V6 Electromagnetic Engine Model 6 Cylinder High Speed Car Engine Working Principle Stem Toy

$81.93
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Stem Model * | Enginediy V6 Electromagnetic Motor Engine Model With Hexagon Fans For 1/10 Model Car Science Experiment Teaching ProjectStem Model * | Enginediy V6 Electromagnetic Motor Engine Model With Hexagon Fans For 1/10 Model Car Science Experiment Teaching Project
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Electromagnetic Motor

Stem Model * | Enginediy V6 Electromagnetic Motor Engine Model With Hexagon Fans For 1/10 Model Car Science Experiment Teaching Project

$79.17
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Stem Model * | Enginediy Vx 18 Single Cylinder 2 Stroke Air-Cooled Methanol Engine Generator Set 12V One Key Electric StartStem Model * | Enginediy Vx 18 Single Cylinder 2 Stroke Air-Cooled Methanol Engine Generator Set 12V One Key Electric Start
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Mini Generator

Stem Model * | Enginediy Vx 18 Single Cylinder 2 Stroke Air-Cooled Methanol Engine Generator Set 12V One Key Electric Start

$87.46
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Stem Model * | Enginediy Y-Shape Stirling Engine Generator Model Retro Science Educational Toy With Led LightsStem Model * | Enginediy Y-Shape Stirling Engine Generator Model Retro Science Educational Toy With Led Lights
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Mini Generator

Stem Model * | Enginediy Y-Shape Stirling Engine Generator Model Retro Science Educational Toy With Led Lights

$29.29