【Build Your Own Mini Engine Model】This is FE Sports Car Engine, which is V8 engine, arranged in a V-shape.It is the most popular technic engine for supercar enthusiasts and fans, which equipped with 8-cylinder , providing robust power output,enowned for high-flow cylinder heads, ensuring excellent performance even at high RPMs. 【Simulated Car Clutch System】This 10204 mould king engine equipped with gear speed shift system, Simulated car clutch for a realistic racing experience. The simulated piston motion and turbocharger also provide you with a captivating, lifelike experience. 【Electrical Dynamic Version】With 1*M motor and 1* battery box. (REQUIRES 6 AAA batteries, NOT INCLUDED). This V8 Engine Model Kit is electrically driven mode,which can be run after assembly. Its design can achieve high power output in a limited engine compartment. 【STEM Toys】This model kit is a wonderful activity together with family or friends. This model engine kit will promote your child's hand-eye coordination, divergent thinking,problem-solving skills,inspires creativity and brain development. Helps children learn collaboration and teamwork,It makes science, mechanical masterminding, and even movement empowerment from start to finish. 【Gift Box Packed】This construction toy with colorful cardboard packaging is a nice gift for construction on Birthday/Children's Day/Christmas/New Year, especially for kids, teens, adults ages 8, 9, 10, 12, 14 and up. All of my company's products have been strictly checked before shipment. However, in the unlikely event that you do find any missing pieces. Simply contact to us via email and we'll immidately sending you the missing parts for totally free ! Mini V8 engine model kit V8 engine MOC mould king building block technic cars set adults blocks classic car model retro moc vehicle build men sports toy vintage car kit super car assembly brick collectible building brick collection construction cool creator race racing supra technic truck vintage-car cars sets for adults cars building sets creator classic cars retro moc building block set car merch sets car toy building block car sets to build cars adult collectible model adult car building kit sets for adults men vintage cars retro building block toy moc building block vehicle sports car building toys for toddlers year old boy 5 year age 6-8 plane airplane party favors mini sets sets gifts for 8 year old boys toys for ages 8-13 boys truck gifts for 5 year old boy motorcycle toys for 7 year old boys typewriter toy car car toys mould king sets creator toys for 6 year old boys adult toys for ages 14 and up creator 3 in 1 sets cars toys cars toys helicopter gifts for 9 year old boy monster truck 5 year old boy toys sets for adults 7 year old boy birthday gifts