Get a whiff of this Happy Birthday!, party time-scented sticker! TREND Scratch 'n Sniff Stinky Stickers® from the '80s are BACK! And they're SCENT-sational! Fun to collect, trade, and celebrate accomplishments and special occasions. Collectors will be happy to spot the ★ to distinguish TREND Retro Stinky Stickers® from those printed in the 1980s.