M6 Mini Steam Engine Kit with Boiler – Brass & Stainless Steel Model

Microcosm Mini Steam Boiler for Steam Engine Model with Safety Valve&Fuel Scoop

M6 Mini Steam Engine Kit with Boiler – Single Cylinder Oscillating Model, Brass

Microcosm M6 Mini Steam Engine Kit with Steam Engine Boiler

Microcosm M22 Mini Brass Single-Cylinder Steam Engine For Ships & Small Models

Microcosm M6 Mini Steam Engine Kit with Steam Engine Boiler – Brass & Stainless

Microcosm M6 Brass Mini Steam Engine Kit(with Steam Engine Boiler& Alcohol Lamp)

M6 Mini Steam Engine Kit with Boiler - Brass Model Science Educational Gift