ROKR Thermo Engine Mechanical 3D Puzzle CGM03

Compact power packed within a single machine, the Thermo Engine is one of the inventions that helped drive widespread industrialization. ROKR’s version creates a replica of this classic single-cylinder engine, demonstrating mechanical energy transmission through a moving piston, a rotating flywheel, a rear pulley, and a glowing light indicating active combustion. Build this 3D puzzle yourself, then activate it with the built-in wireless receiver to sync it with other models in your Industrial City setup. Whether you’re drawn to history, mechanics, or simply love working with your hands, the Thermo Engine is a close look at how these breakthrough machines once powered the world forward.