Mould King 10230 W12 Engine Model, Gasoline Car Engine Replica Model Set, STEM Toy for Kids, Adults, Car Enthusiasts, and Collectors (871 Pieces)

[Build Your Own W12 Engine] The W12 Engine Model Kit is designed for car and technology enthusiasts. Inspired by the W12 racing engine, this model features a complete mechanical structure, including the cylinder block, piston rods, fan system, and transparent combustion chamber. It faithfully reproduces the principles and dynamics of the real engine. [Dynamic Version] Equipped with an electric motor and box, it reproduces the dynamic movements of engine parts, such as piston movement and gear rotation. Children can have a wonderful experience assembling this highly detailed engine model. Requires 46 AAA batteries. [Perfect Building Experience] This toy set includes a large number of blocks, all of which are organized and carefully packaged. It comes with assembly instructions, so you can start at any step. It's compatible with most similar blocks on the market and is highly expandable. It's the perfect home learning game for everyone. Playing with your kids will be a wonderful way to spend time with your child. [STEM Toy] This building blocks set is perfect for kids, teenagers, and adults ages 8, 9, 10, 12, and 14 and up. It develops children's hand-eye coordination, divergent thinking, and problem-solving skills, stimulating creativity and brain development. Affordable and easy to assemble, it makes a great gift for birthdays, Children's Day, Christmas, New Year's, Easter, summer camp, back-to-school, and more. [High-Quality Colorful Box] All our products are machine inspected and triple tested before being packaged. If there are any missing parts in the assembly kit, please contact us and we will send you the missing parts. Thank you in advance.