Mould King V12 Engine Model Kit That Runs, 863PCS STEM Building Set with Motorized Moving Pistons & Transmission, DIY Mechanical Engine Toy for Adults & Teens 14+

• Realistic Motorized V12 Engine

Build a detailed V12 engine powered by an electric motor that drives all 12 pistons, rotating crankshaft, timing system, and cooling fan for an authentic mechanical demonstration.

• Functional Transmission

Includes a working gearbox and gear selector that lets you observe how power transfers through the drivetrain, creating an interactive engineering experience.

• 863-Piece Advanced Building Project

Made with 863 precision building pieces for a rewarding assembly process that develops patienc concentration, and mechanical understanding.

• Hands-On STEM Learning

Explore automotive engineering concepts including piston movement, crankshaft rotation, gear transmission, and engine mechanics while building.

• Premium Display Model

Finished with realistic engine details including transparent cylinder head, exposed timing components, intake manifold, and exhaust system, making it an eye-catching display for home or office.

• Great Gift for Car Enthusiasts

Perfect for adults, teens ages 14+, mechanics, engineering students, and anyone who enjoys model building, automotive technology, or STEM educational projects.