Description: High quality plastic, long service life and durable High speed and strong power Simple to use,Professional and very pratical. Portable, easy to carry and convenient to place. Clear texture and exquisite workmanship. Specification: Material:Plastic Color:Grey Package Includes: 1Pc( According to your choice ) or 4PCS(1PC 8879 + 1PC 8884 + 1PC 8881 + 1PC 8882) Notes: All motors in our store are compatible with all PF of original LEGO products. However, if you buy our receiver/ Remote Control(8884/8885/8879) separately to match the original LEGO remote control, it can't match. It's also impossible to buy the remote control to match the original LEGO receiver. Because Lego is infrared, our store is 2.4G channel.