It*s The Solar Power Body Knockers - Movies - Christmas Story Leg Lamp. Enjoy hours of body-bobbling fun that*s powered by the sun! Body Knockers rock from side to side when exposed to light- they never need batteries! They stand 6? tall. Collect the entire line and watch your favorite characters dance the day away!****Features:*** Solar powered*** Watch the leg rock side to side*** Hours of body-bobbling fun*** Shield Ralphie’s eyes mom