TREND - Stinky Stickers Variety Pack, Good Times, 535/Pack - Sold As 1 PackWhy simply stimulate the eyes when you can create fun smells as well? These 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. Illustration: Good Times; Color(s): Assorted; Width: N/A; Height: N/A.Large, round, scratch-and-sniff stickers are ideal motivators and rewards.Sure to please everyone from students to collectors.Safe to use on photos. Includes 535 stickers.