Collection: 5 engine kits

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

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

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

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

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