Up and Down Motion Ornamotor Ornament Hanger Up and Down Ornament Holder Motor Ornamotor II Plugs Into any 35, 50 or 100 string of mini-light set Ornament motor raise and lower 2.5 inches Motors powered by Christmas tree lights; easy plug into empty light bulb socket For ornaments up to 1-1/2 ounces in weight only; ornament not included