Set of 2 Christmas String Lights Pottery Barn in the National Lampoon’s Christmas Vacation Collection. Holiday vibes, classic white lights, and pure comedy combine in this unconventional lit orb. One is good for a laugh, a group is great for lighting up a room. See all the humor dedicated to the Griswold family Christmas in our exclusive National Lampoon’s Christmas Vacation collection. Made of plastic, iron and LED lights. Set of 2, (1) Large Tangled Ball and (1) Mini Ball String Lights. Mini Ball string lights include 120 bulbs; Large Ball includes 100 bulbs. Plug in with on/off switch. Mini Ball String Lights: 24.25′ l x 4″ d x 14″ h. Large Tangled Ball: 13.5 diam. Weight: 5.5 lbs.