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. With Eureka Scratch-Off Rewards kids get to scratch and reveal your personalized message. Each pack comes assorted 2 designs, 12 of each, and 24 silver Scratch-Off stickers. Each card measures 3-1/2" X 6". Write in blank space, and placed scratch off sticker on top of written space. Age: 3+ years/Grade PK-12