Measures 3 inches tall with magnets on the back. Consonants are blue and vowels are red. Made of sturdy foam. Easy, and fun way for kids to learn how to sign. Sold as 2 packs. Creativity Street WonderFoam Magnetic Sign Language Letters, Red and Blue Colors, Assorted Sizes, 26 Pieces Per Pack, 2 Packs | CK-4448-2