Used Scentsy plug In. You will.notoce a small amount of red wax on the lower right corner. I tried getting it off but was unable too **NEEDS A BULB** The Scentsy Skellington Pumpkin King Nightmare Before Christmas Mini Warmer is a spooky-sweet addition to your Halloween décor. It features Jack Skellington, the Pumpkin King of Halloween Town from Disney Tim Burton's The Nightmare Before Christmas. Offers are welcome. Thanks for looking.