• 【Build Your Own Mini Engine Model】This is Flat-Six Engine, which is Flat Engine(Horizontal Engine).It is the most popular technic engine for car enthusiasts and fans, providing robust power output,enowned for high-flow cylinder heads, ensuring excellent performance even at high RPMs.
• 【Electrical Dynamic Version】With 1*XL 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 compact design can achieve high power output in a limited engine compartment.
• 【Reverse Rotation Button】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 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 !