Collection: over 200

16 Cylinder Stirling Engine Model Kit Collection Gift for Engineer - Enginediy

RETROL 1/8 Scale 3.6CC Mini Vintage Single Cylinder 4-Stroke Working Gasoline Engine Model

TOYAN Full Metal Nitro Engine Model Kit That Works - Build Your Own Engines - Gift Collection

Water Electrolysis Machine - Oxygen Generator - Water Electrolysis Device with Double Outlet (Hydrogen and Oxygen Separated) - Enginediy

SKYMECH NTR-900 1/30 Turbofan Engine Model Kit - Build Your Own Turbofan Engine that Works - Working Jet Engine 150PCS

Orrery Solar System Eight Planet Model Kit - Build Your Own Solar System - 200Pcs Metal Solar System Eight Planet Model Kit

Vertical Boiler Steam Boiler Model for Steam Ship Engine Model - 230ml

M92 Metal Horizontal Hit and Miss Water-cooled Gasoline Engine Internal Combustion Engine Model with Flywheel Speed Limiter