• 【Build Your Own Engine Model】 This is RR Luxury Car Engine, which is V12 engine, arranged in a V-shape. It is the most popular technic engine for car enthusiasts and fans, which equipped with 12-cylinder , providing robust power output, renowned for high-flow cylinder heads, ensuring excellent performance even at high RPMs.
• 【Electrical Dynamic Version】 With 1*M motor and 1* battery box. (REQUIRES 6 AAA batteries, NOT INCLUDED). This V12 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.
• 【Reverse Rotation Button】 Mini V12 engine equipped with reverse rotation button design. Pistons propel the engine, demonstrating true mechanical precision, provide you with a captivating, lifelike experience.
• 【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 colourful cardboard packaging is a nice gift for construction on Birthday/Children's Day/Christmas/New Year, especially for adults ages 14 and up.