These fun mystery puzzle sticker sheets are a perfect way to celebrate the 100th day of classes with students as they place 100 stickers on the grid to make a fun animal scene.  Assorted.  Material: Paper.  Includes 12 backgrounds and 12 sticker sheets. Stickers are repositionable and acid free.  Size: Backgrounds, 8 1/2" x 11"; sticker sheets, 7 1/2" x 7 1/2".