ROKR Industrial City Series 3D Puzzle Mechanical DIY Model Set with Light & Movement Thermo Engine（CGM03）-DIY Educational STEM Toy for Adults & Teens, Retro Industrial Decor

Product Information

About this item

• 【Visible Mechanics & Transparent Design】 – Experience the heart of steam power with our single-cylinder engine model. The transparent piston chamber allows you to watch the connecting rod and piston move up and down in real time as the engine runs, offering a mesmerizing glimpse into the core of industrial mechanics. Perfect for engineering enthusiasts who love to see how things work.
• 【Motorized Dual Pulley System & Interlocking Play】 – Feel the steam age come alive with a dynamic belt-driven mechanism. The front and rear pulleys rotate synchronously with the flywheel, driving the internal pistons for a fully immersive kinetic experience. Plus, it features a modular interlocking design, allowing you to connect multiple models from the same series to build an expansive mechanical diorama.
• 【Immersive LED Furnace Glow & Premium Metallic Finish】 – The built-in LED lighting does more than just illuminate; it mimics the fiery glow of a real steam furnace, dramatically highlighting the transparent piston motion. Combined with premium metallic painting and vintage steampunk piping, this model is a showpiece that looks stunning on any desk, shelf, or office collection.
• 【Rewarding DIY Assembly for Adults & Dads】 – Take pride in building your own mechanical masterpiece. This 3D puzzle set is designed for adult hobbyists, engineers, and DIY lovers, offering a satisfying balance of challenge and fun. It makes a thoughtful birthday, Father’s Day, or Christmas gift for the man or dad who has everything, combining the joy of model building with stunning display results.