With Eureka Scratch-Off Rewards kids get to scratch and reveal your personalized message. Teachers and parents are only limited by their imagination on how they use this product. Write a prize or motivational phrase in the blank space provided and cover with the silver sticker. Each card measures 3.5" x 6". Each pack contains 24 scratch-off cards (in 2 designs) and 24 silver scratch-off stickers. Sold as 6 packs for a total of 144 scratch-off cards with scratch-off stickers.