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

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

$26.99 $31.00
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Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy

Desktop Stirling Engine Kit All-metal Stirling Engine DIY Kit Set Toy - Enginediy

$26.99 $31.00
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V8 Engine Model Kit - Build Your Own V8 Engine - Science Experiment STEM Toy - Enginediy

V8 Engine Model Kit - Build Your Own V8 Engine - Science Experiment STEM Toy - Enginediy

$94.00 $104.99
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L4 Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1: 10 Full Metal Mini L4 4 Cylinder Engine OHV Inline 4 Cylinder Engine Model Kit 300+PCS

L4 Diesel Engine Model Kit that Works - Build Your Own Diesel Engine - TECHING 1: 10 Full Metal Mini L4 4 Cylinder Engine OHV Inline 4 Cylinder Engine Model Kit 300+PCS

$297.00 $349.99
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Teching V8 Engine Model Kit Metal Assembly DIY Kit 500+Pcs Mechanical Car Engine Science Experiment Physics Toy

Teching V8 Engine Model Kit Metal Assembly DIY Kit 500+Pcs Mechanical Car Engine Science Experiment Physics Toy

$594.99 $699.99
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