HAYNES 1/6 Scale Transparent Visible Working V8 Engine Model Kit with Electric Motor, DIY Mechanical Engineering STEM Toy

Product Features:1.STEM toys material: plastic, metal;2. Color: as shown in the picture3.Exquisite appearance: transparent and visible, finished product is realistic,  Size: 11 x 9 x 9 inches (28cm X 23cm X 23cm), mechanical sense; 4.Interesting to play: contains more than 250 components, with a large number of chrome-plated and removable components, it is a big double overhead camshaft V8 engine all need to be put together by your own hands, which is almost the same as the real V8 engine, and it will bring a real assembly feeling to you an authentic assembly feel. Has motor spark plugs and ignition for realistic sound and visual effects. Requires your own 3 x 5 batteries. Refer to the full illustrated manual for details; Introduction of V8 engine: It is one of the cylinder arrangement type of internal combustion engine, generally used in middle and high end vehicles, 8 cylinders are divided into two groups of 4 each, arranged in V-shape, which is the most common engine structure in hi