The Topps 1989 New Kids on the Block trading cards are a unique set featuring teen heartthrob band NKOTB. Each set features a classic 80s-style card design, and stickers are included in many packs. Some even include pieces of a photo puzzle to be stuck onto the card. The back of each sticker card features a different picture. These sets are highly collectible and are a great way to show your fandom!