[8881 AA Battery Box] It has an AA battery box that can power 2 XL motors or 4 M motors at the same time, requires 6 AA batteries (batteries not included).

[M Motor 8883 for High Speed] The motor provides strong power. High speed and small block motor power supply kit. Supports forward and reverse.

[2.4G Remote Control & Receiver] The motorized system has 4 channel selections on the remote controls and the steering. They must be set to the same channel to work. The remote control is powered by 3 AAA batteries (batteries not included).

[Adapt to Most Building Blocks] The entire set can basically be adapted to most types of building blocks on the market.

[Safety and Learning] Made of high-quality ABS plastic materials. By assembling blocks, children can practice their hand-eye coordination, stimulate their imagination, and enjoy the joy of creating things.

Material: ABS plastic

Color: Gray

Package contents:

2 * Medium Motors

1 * Battery Box

1 * Infrared Remote Control

1 * Receiver

Only the above package content, other products are not included.

Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.