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Fun Lamp, Creative and Practical Quirky Night Light – Lamp with Artistic Flair

Functional V8 Engine Model Kit - Build and Operate Your Own V8 Engine

Galileo Gravity Pendulum Clock - 3D Metal DIY Assembly Kit | Alloy & Stainless Steel STEAM Educational Toy

German Brand - Bohm - ROLL-1 Steampunk Marble Machine

GL003 Vertical Steam Boiler

H-09 Mini Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles

H08 4.2CC OHV V-Twin Four-Stroke Gasoline Engine Mini Retro Motorcycle Engine Model with Pedal Start

H09 Mini Hoglet Single-Cylinder Four-Stroke Gasoline Engine Model for Motorcycles with Pedal Start - Perfect Gift with Educational Significance"

H73 Vertical Single Cylinder Gasoline Engine Internal Combustion Engine Model With Governor

H75 12cc Vertical 4-cylinder OHV Gas Engine Internal Combustion Engine Tractor Engine Model with Mechanical Speed Limit

H76 Tractor Engine 5CC Horizontal Twin-cylinder Dual Flywheel Gasoline Engine

Handheld Rechargeable Tesla Coil Gun

Haynes - Turbojet Engine Jet Engine

Haynes - V8 Engine Model Kit

Haynes L4 Engine Model

Hexagonal Shape Free-piston Stirling Engine Model Toys with Propeller