Upgrade Metal Gear Servo + Metal Arm for MN D90 D91 WPL B1 B14 B16 B24 C14 C24 B36 1:16 Truck 4WD RC Crawler 19QF Silver

It can improve children's hands-on ability and hand-eye coordination ability by assembling. Fit family fun time.

Made of sturdy material, ensures its long service life. Fine workmanship and novel appearance, easy to operate.

Mini size, easy to carry, more suitable for children, to assembly plane may help the children's brain development.