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Stem Model Engine DIY | 220V 100W Tesla Rotating Stand Egg Single-Phase Ac Motor Rotating Magnetic Field Scientific Experiment Educational ToyStem Model Engine DIY | 220V 100W Tesla Rotating Stand Egg Single-Phase Ac Motor Rotating Magnetic Field Scientific Experiment Educational Toy
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Experiment Model

Stem Model Engine DIY | 220V 100W Tesla Rotating Stand Egg Single-Phase Ac Motor Rotating Magnetic Field Scientific Experiment Educational Toy

$97.54
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Stem Model Engine DIY | 2Pcs Mystery Box Stirling Engines Stem Toys
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Experiment Model

Stem Model Engine DIY | 2Pcs Mystery Box Stirling Engines Stem Toys

$54.99
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Stem Model Engine DIY | 2Pcs Tws Dual Channel Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop ToyStem Model Engine DIY | 2Pcs Tws Dual Channel Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy
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Experiment Model

Stem Model Engine DIY | 2Pcs Tws Dual Channel Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy

$84.00
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Stem Model Engine DIY | 3D Printed Car Differential Model Physics Experiment Teaching Model Educational ToyStem Model Engine DIY | 3D Printed Car Differential Model Physics Experiment Teaching Model Educational Toy
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Experiment Model

Stem Model Engine DIY | 3D Printed Car Differential Model Physics Experiment Teaching Model Educational Toy

$28.55
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Stem Model Engine DIY | 8-Coil Circular Electromagnetic Accelerator Scientific Experiment Tool Diy Physics Toy With High Magnetic BeadsStem Model Engine DIY | 8-Coil Circular Electromagnetic Accelerator Scientific Experiment Tool Diy Physics Toy With High Magnetic Beads
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Experiment Model

Stem Model Engine DIY | 8-Coil Circular Electromagnetic Accelerator Scientific Experiment Tool Diy Physics Toy With High Magnetic Beads

$97.01
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Stem Model Engine DIY | Automatic Boiler Pressure Regulator For Steam EngineStem Model Engine DIY | Automatic Boiler Pressure Regulator For Steam Engine
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Experiment Model

Stem Model Engine DIY | Automatic Boiler Pressure Regulator For Steam Engine

$44.19
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Stem Model Engine DIY | Bluetooth Music Tesla Coil Artificial Lighting Generator Ac-E106Stem Model Engine DIY | Bluetooth Music Tesla Coil Artificial Lighting Generator Ac-E106
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Experiment Model

Stem Model Engine DIY | Bluetooth Music Tesla Coil Artificial Lighting Generator Ac-E106

$21.07
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Stem Model Engine DIY | Bluetooth Music Tesla Coil Plasma Speaker Scientific Experiment Model Educational ToyStem Model Engine DIY | Bluetooth Music Tesla Coil Plasma Speaker Scientific Experiment Model Educational Toy
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Experiment Model

Stem Model Engine DIY | Bluetooth Music Tesla Coil Plasma Speaker Scientific Experiment Model Educational Toy

$44.19
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Stem Model Engine DIY | Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop ToyStem Model Engine DIY | Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy
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Experiment Model

Stem Model Engine DIY | Bluetooth Tesla Music Coil Speaker Esound Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy

$42.24
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Stem Model Engine DIY | Bluetooth Wireless Mini Tesla Music Coil Speaker Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop ToyStem Model Engine DIY | Bluetooth Wireless Mini Tesla Music Coil Speaker Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy
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Experiment Model

Stem Model Engine DIY | Bluetooth Wireless Mini Tesla Music Coil Speaker Plasma Singing Loudspeaker Experimenting Device Teaching Tool Desktop Toy

$41.59
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Stem Model Engine DIY | Car Manual Transmission Drive Model 5 Forward Gears Plus R Reverse Gear With Clutch Differential Motor 3D Plastic Assembly ModelStem Model Engine DIY | Car Manual Transmission Drive Model 5 Forward Gears Plus R Reverse Gear With Clutch Differential Motor 3D Plastic Assembly Model
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Experiment Model

Stem Model Engine DIY | Car Manual Transmission Drive Model 5 Forward Gears Plus R Reverse Gear With Clutch Differential Motor 3D Plastic Assembly Model

$39.59
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Stem Model Engine DIY | Engine Diy Kit Dual-Coil Brushless Motor Hall Electric Machine Physical Experiment Engine Model ToyStem Model Engine DIY | Engine Diy Kit Dual-Coil Brushless Motor Hall Electric Machine Physical Experiment Engine Model Toy
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Experiment Model

Stem Model Engine DIY | Engine Diy Kit Dual-Coil Brushless Motor Hall Electric Machine Physical Experiment Engine Model Toy

$37.51