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SKYMECH 1/20 Turbofan Engine Model Kit - Build Your Own Turbofan Engine that Works - WS-15 DIY Turbofan Frighter Engine 150+PcsSKYMECH 1/20 Turbofan Engine Model Kit - Build Your Own Turbofan Engine that Works - WS-15 DIY Turbofan Frighter Engine 150+Pcs
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3D Printed Model Kit

SKYMECH 1/20 Turbofan Engine Model Kit – Build Your Own Turbofan Engine that Works – WS-15 DIY Turbofan Frighter Engine 150+Pcs

Original price was: $249.99.Current price is: $140.89.
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SKYMECH Mini Turbojet Aero Engine Gasoline Kerosene Internal Combustion Engine ModelSKYMECH Mini Turbojet Aero Engine Gasoline Kerosene Internal Combustion Engine Model
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Aero Engine

SKYMECH Mini Turbojet Aero Engine Gasoline Kerosene Internal Combustion Engine Model

Original price was: $239.99.Current price is: $138.89.
SKYMECH Trent 900 Aircraft Engine Model Kit - Build Your Own Jet Engine - 1: 20 Scale Turbofan Engine Mechanical Science STEM ToySKYMECH Trent 900 Aircraft Engine Model Kit - Build Your Own Jet Engine - 1: 20 Scale Turbofan Engine Mechanical Science STEM Toy
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3D Printed Model Kit

SKYMECH Trent 900 Aircraft Engine Model Kit – Build Your Own Jet Engine – 1: 20 Scale Turbofan Engine Mechanical Science STEM Toy

$131.89
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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Soviet Cyberpunk IN12 Nixie Tube Clock - Retro Vintage Desktop DecorSoviet Cyberpunk IN12 Nixie Tube Clock - Retro Vintage Desktop Decor
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Experiment Model

Soviet Cyberpunk IN12 Nixie Tube Clock – Retro Vintage Desktop Decor

Original price was: $129.99.Current price is: $88.99.
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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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Electromagnetic Motor

Stark 6 Coils Ring Accelerator Cyclotron High-tech Physics Model

$79.89
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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.
Steam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at HomeSteam Engine Model DIY Kit Children Steam Engine Experiment Model - Science Museum at Home
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Diy Model

Steam Engine Model DIY Kit Children Steam Engine Experiment Model – Science Museum at Home

$21.99
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Steampunk Skull Essential Oil Diffuser with LED Night LightSteampunk Skull Essential Oil Diffuser with LED Night Light
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Experiment Model

Steampunk Skull Essential Oil Diffuser with LED Night Light

Original price was: $49.99.Current price is: $34.99.
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Stirling Engine Car Model Stirling Engine Vehicle Educational Toy STEM Engine Model Creative GiftStirling Engine Car Model Stirling Engine Vehicle Educational Toy STEM Engine Model Creative Gift
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Engine Model

Stirling Engine Car Model Stirling Engine Vehicle Educational Toy STEM Engine Model Creative Gift

Original price was: $49.99.Current price is: $33.89.
Stirling Engine Generator Model DIY Assembly Kit Physical ExperimentStirling Engine Generator Model DIY Assembly Kit Physical Experiment
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Diy Model

Stirling Engine Generator Model DIY Assembly Kit Physical Experiment

$26.99
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