Bring the roar of a luxury V12 engine to your desk with this 733-piece Mould King RR V12 Engine building set. Inspired by high-performance British powertrains, this model captures the elegance and engineering sophistication of a 12-cylinder "ceiling-of-the-line” motor. Once assembled, the included M-motor and battery box power the model, letting you watch all 12 pistons move in synchronized motion. A clever reverse-rotation button lets you run the engine in both directions for added realism. This set is perfect for car lovers, hobbyists, and STEM builders — it’s both a challenging build and a functional display piece.
- 733 High-Quality ABS Pieces — Durable building blocks deliver a realistic and compact V12 engine design.
- Motorized Functionality — Includes an electric M-motor and a battery box (requires 6 × AAA batteries; not included) for full mechanical motion.
- 12 Working Pistons — Authentic V12 configuration with moving pistons visible as you run the engine.
- Reverse-Rotation Button — Unique switch allows the engine to run in both clockwise and counterclockwise directions for added fun.
- Luxury Styling — Features a sleek black cover, silver accents, and detailed intake and exhaust manifolds to mimic a premium V12 engine.
- Compact Size — Measures approximately 26.1 × 10.6 × 14.7 cm, making it a great display centerpiece.
- STEM Learning Toy — Encourages problem-solving, spatial reasoning, and mechanical understanding through hands-on building.
- Gift Box Packaging — Comes in a full-color box, perfect for gifting to teens, car enthusiasts, or adult builders.
- Replacement Parts Support — Manufacturer provides free replacement parts for any missing pieces.
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