The servo is a controllable motor that can swing back and forth, or be turned to a specific position. Try attaching a flag to the servo to make it wave back and forth!
Cross Axle: This servo has a cross axle shaft that works with any littleBits accessory with a cross axle opening.
Hub Mount: Note that this bit is NOT compatible with the following kits. - Space Rover Inventor Kit - Cross axle mechanical arm (not available separately) - Cross axle motorMate (not available separately)
For a replacement servo bit for the kits and accessories above, see the "Servo: cross axle"