Motors included

•  1 (17)
•  2 (9)

Control Box

•  2 Channels Remote Control (7)
•  8 Speeds Remote Control (15)
•  Battery Box (On/Off) (19)

Quantity of bricks

•  3000 - 4000 (2)
•  4000 - 5000 (1)
•  5000 + (2)