The servo is a controllable motor that can swing back and forth, or be turned to a specific position. This servo has a cross axle shaft that works with any littleBits accessory with a cross axle opening. Try attaching a flag to the servo to make it wave back and forth!
*Bit is compatible with the following items:
Droid Inventor Kit
Base Inventor Kit
Space Rover Inventor Kit
Cross axle mechanical arm (not sold separately)
Cross axle motorMate (not sold separately)