Xshion Retro Vertical Steam Engine Kit with Boiler, Hot Air Steam Engine Model to Build for Adults, 3D Metal Steam Engine Model Kit Desktop/Physics Toy (15F0EZ58I14V47SWYO) : Amazon.co.uk: Toys & Games
M12C Mini Gasoline 3.2cc Water Cooled 2-Cylinder 4 Stroke Petrol Engine Model Desktop Toy -