SEEMEY 10210 V12 Engine Model Kit that Works, Build Your Own Mini Car Engine Replica, Engeering STEM Toys for Adults, Home or Office Décor (1366 Pcs)

Individual Packaging - All parts are packed in a separate packaging bag, which is easier for everyone to understand. The packaging now includes easy-to-follow instructions. It is easy for everyone to understand and assemble. Simulate the Work of a Real Engine - equipped with an L motor and battery box (requires 6 AA batteries, not included), so that it has enough power to complete the work of the piston. Let you see the working principle of the engine with your own eyes. For those who love mechanical details, it is absolutely irresistible. Provide more Working Speeds - This engine building kit has added a speed adjustment function, including low speed, medium speed, high speed and rapid speed. More realistically simulate the principle of engine operation, adding more realism to your model. Building Block Model for Adults - This meaningful engine kit that works is an ideal gift for mechanical enthusiasts, providing a hands-on manual experience, and can be placed in the office or home as a unique exhibit. Buildable Toys - If you encounter missing parts or other problems during building process, please feel free to tell us and we will do our best to help you solve it.

• ‌Individual Packaging - All parts are packed in a separate packaging bag, which is easier for everyone to understand. The packaging now includes easy-to-follow instructions. It is easy for everyone to understand and assemble.
• Simulate the Work of a Real Engine - equipped with an L motor and battery box (requires 6 AA batteries, not included), so that it has enough power to complete the work of the piston. Let you see the working principle of the engine with your own eyes. For those who love mechanical details, it is absolutely irresistible.
• Provide more Working Speeds - This engine building kit has added a speed adjustment function, including low speed, medium speed, high speed and rapid speed. More realistically simulate the principle of engine operation, adding more realism to your model.
• Building Block Model for Adults - This meaningful engine kit that works is an ideal gift for mechanical enthusiasts, providing a hands-on manual experience, and can be placed in the office or home as a unique exhibit.
• Buildable Toys - If you encounter missing parts or other problems during building process, please feel free to tell us and we will do our best to help you solve it.