Enjoy Fun Learning Hands on Experience While Assembling This Comprehensive V8 Engine Model Kit and Unleash Your Creativity! TURTTEN is delighted to introduce this amazing realistic V8 car engine model kit with transparent cylinder head and casing for clear view of internal mechanical process and parts working. A perfect replica of V8 engine with true 1:1 dynamic principle to turn on the motor switch, observe the internal mechanism of a V8 and learn how the engine works to provide power. A beautiful choice for those who are interested in cars and mechanical engineering. x6 AAA batteries required. Piece Count: Our building block set has 500+ pieces for comprehensive assembly of this kit. Tested to Standard: ASTM, CPC, CPSC, CPSIA certified in the United States. Benefits of Choosing Us: Premium ABS Material All-in-one Kit Precise Piston Movement Transparent Cylinder Head Turbocharger 500+ parts Quality Tested User Friendly Guide Creative Gift BUY TURTTEN V8 engine model kit TODAY and build your own mini V8 engine that works. If you have any problem with the product, feel free to contact us.