Holiday Specs (3D glasses) these are really cool! Kids are going to love these Holiday specs including those older folks who are child like. Glasses for everyone in the family! Put these handy dandy 3D glasses on and watch your Christmas tree lights transform into many different styles. Some styles include Snowman, Presents and even Santa Claus. A must get for those who love watching the Christmas tree lights on your tree. Get a pack of 10 for only $13.49 if you are a prime member.