This set of four write on / wipe off magnetic dice comes in four bright colors. Each die can be used for teaching a range of curriculum topics, such as number, fractions, probability, letter sounds and sight words. Write numbers, letters, operations and more. Magnets can also be attached to faces. Contains 4 colored write and wipe dice. Size of dice: 5.1 x 5.1 cm. Comes in a handy storage box.