Dancing DNA Clear Colored Balls Indoor Mobile, Now with Motor FOR INDOOR USE: Awesome way to beautify your home with movement. This dcor will provide mesmerizing spinning effects to brighten your day. They make great unique gifts for all occasions. AMAZING LOOKING: With clear balls on the end the spinning movements will provide several different surfaces for light to reflect from. HANGING MEASUREMENTS: Measures about 52" when hanging. SINGLE SPEED_ROTATING MOTOR INCLUDED: This model does not come with a intermittent motor as the insert describes. However, we listened to the previous review and we now include a single speed rotating motor. Takes 1 D Battery (Not Included)