Need classroom decoration inspiration? Thing 1 and Thing 2 to the rescue; use these accents to decorate your bulletin board! Dress up your bulletin board, or use on the walls of your classroom! Build a whole Dr. Seuss theme in your classroom with our other Dr. Seuss classroom decorations on our website. Cardstock. (3 dozen per unit) 5 1/2" ™ & © Dr. Seuss Enterprises, L.P. All Rights Reserved.