Engine Model Kit That Runs, MOC Engineering Model Building Kit with L Motor AA Battery Box, 3472 PCS STEM Engineering Building Blocks for Adults

‌【Engine Building Kit】Engine Series - The engine, a type of V-engine, has cylinders arranged in a 90-degree V-shape. This type of engine can effectively counteract vibrations during operation and provide more stable performance. 【Build your Own Engine Model】This product is1*L Motor 1*AA Battery Holder and reproduces the dynamic principle 1:1 for you. Its compact design allows for high power output in the limited engine compartment. The drive train works with precise piston movements. Four speeds can be adjusted by moving the gear lever. 【Engine Model】Engine building block kits is assembled from 3472 building block parts and has colorful paper instructions to help you easily assemble it. This building block kit compatible with mainstream building blocks. All parts are easy to assemble and will not fall apart. 【Fun Building Challenge】Engine Kits made from ABS materials and tested for quality control to ensure compliance with safety standards. Building blocks toys are designed to provide the interesting and challenging building experiences. The building blocks are the challenges during assembling and the achievement after finishing. 【Ideal Gifts】 Building set is a good collection. If you are looking for a cool present for your lover or family's birthday/ Christmas/ New Year. Or you have searched for a building block challenge, this product is the best choice!

• ‌【Engine Building Kit】Engine Series - The engine, a type of V-engine, has cylinders arranged in a 90-degree V-shape. This type of engine can effectively counteract vibrations during operation and provide more stable performance.
• 【Build your Own Engine Model】This product is1*L Motor 1*AA Battery Holder and reproduces the dynamic principle 1:1 for you. Its compact design allows for high power output in the limited engine compartment. The drive train works with precise piston movements. Four speeds can be adjusted by moving the gear lever.
• 【Engine Model】Engine building block kits is assembled from 3472 building block parts and has colorful paper instructions to help you easily assemble it. This building block kit compatible with mainstream building blocks. All parts are easy to assemble and will not fall apart.
• 【Fun Building Challenge】Engine Kits made from ABS materials and tested for quality control to ensure compliance with safety standards. Building blocks toys are designed to provide the interesting and challenging building experiences. The building blocks are the challenges during assembling and the achievement after finishing.
• 【Ideal Gifts】 Building set is a good collection. If you are looking for a cool present for your lover or family's birthday/ Christmas/ New Year. Or you have searched for a building block challenge, this product is the best choice!