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Teching 3D Assembly Adult 300+pcs Car Engine Model Toys Mini Inline 4 cylinders Engine Education$469.99 USD
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v8 engine 3d metal mechanical science experiment 500 piece model kit$699.99 USD$799.99 USD
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Teching 1:10 Scale Working Turbojet Engine Model Kit – Full Metal DIY Aircraft Turbine Engine for Adults$899.99 USD
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Teching T700 Turboshaft Engine Model Kit – 1:4 Scale Working Motorized Helicopter Engine Replica$599.99 USD
