- Realistic Motorized Build：Recreate a high-performance engine with moving pistons, belt drive, and a functional cooling fan for an authentic mechanical experience.- Electric Power System：Includes an M-motor and battery box to bring the engine to life?switch it on to watch the cylinders, gears, and fan rotate smoothly.- Three-Speed Transmission：Features a visible 4-speed gearbox. Shift gears to observe how different settings change rotational speed and output force.- 980-Piece STEM Challenge：A rewarding build with 980 precision parts that strengthens problem-solving skills, mechanical understanding, and hands-on creativity.- Display-Ready Gift Set：Finished model measures 13.3'×7.3'×6.1' and makes an eye-catching display piece. Packaged in a durable box?great for gifting to car or tech enthusiasts.
