TREND Stinky Stickers Variety Pack, Smiles & Stars, 648/Pack, PK - TEPT83905. Why simply stimulate the eyes when you can create fun smells as well? Round, scratch-and-sniff stickers are a great way to help motivate students and celebrate achievements. All stickers are acid-free and safe for use on photos. Smiles and Stars (648 stickers). Illustration: Smiles; Stars; Color(s): Assorted.