• Working V12 Engine Model: This engine model kit that works accurately simulates piston motion and drivetrain operation, showcasing premium engineering for builders age 14
• 4-Speed Gear System: Experience realistic power output with adjustable low/medium/high/hyper speed gears in this engine model kits for adults
• Advanced Engineering Project: The 3472 piece engine model kit that runs develops mechanical understanding through assembly while producing authentic engine sounds
• Complete Building Package: Includes detailed color manuals in protective packaging, assembled model measures 69.1×24.7×31.8cm (27.2×9.7×12.5in)
• Premium Automotive Model: This mould king engine compatible V12 set delivers an immersive building experience for car enthusiasts with realistic mechanics