ROKR Thermo Engine DIY 3D Mechanical Puzzle Kit
Assemble the ROKR Thermo Engine CGM03, a compact DIY mechanical 3D puzzle from the MECHMIX / Industrial City series. At just 11.8cm tall, this desk-size model recreates engine movement with a moving piston, rotating flywheel and rear pulley. A glowing light simulates active combustion. Model...
Assemble the ROKR Thermo Engine CGM03, a compact DIY mechanical 3D puzzle from the MECHMIX / Industrial City series. At just 11.8cm tall, this desk-size model recreates engine movement with a moving piston, rotating flywheel and rear pulley. A glowing light simulates active combustion.
Model Details and Specifications
- Brand: ROKR.
- Series: MECHMIX / Industrial City.
- Model: Thermo Engine CGM03.
- Assembled size (W × D × H): 55 × 53 × 118mm (approximately 2.2 × 2.1 × 4.6 inches).
- Box size: 225 × 180 × 55mm (approximately 8.9 × 7.1 × 2.2 inches).
- Pieces: 58.
- Estimated build time: About 1 hour.
- Difficulty: 2 stars, beginner level.
- EAN: 6946785126303.
Moving Parts and Light Effect
Enjoy the movement of the piston, flywheel and rear pulley, with a glowing light effect representing combustion. This is a mechanical display model, not a fuel-burning engine.
Connect Your Industrial City
A built-in wireless receiver allows the Thermo Engine to synchronise with other compatible models in your Industrial City setup. To join models into a connected setup, allow one connector per model. Connectors are sold separately.
A compact project for beginners, mechanical-model enthusiasts and anyone who enjoys a desk-size display with moving details.
Free Uk shipping for orders over £10.
We aim to ship your order within 24 to 48 hours of receiving your order. You will receive an-email confirmation from our ordering system when your goods have been shipped.

