Crafted from authentic engine components, this set offers a dynamic display when connected to a standard building block battery (batteries not included). The interior is real, the details are clearly visible, and the parts are distinct. During dynamic display, the L motor drives the gear to rotate, the gear drives the crankshaft and rocker arm, as well as the indicated nozzle and common rail, and the piston moves up and down in a circular motion. Come with electronic manual (stored in U disk), much more clear than the paper mannual, it is really easy to assemble.
The parts are compatible with the parts of other mainstream brick brands in the market. After the building blocks are assembled, it can be used as background decoration. If you have any problems with a product, please consult us. We will reply to you as soon as possible.