The Math Flash Cards provide cognition training exercises, which can promote the development of the kids's brain. Also, the colorful design will make the kids interested, bring much more joy to your baby. This Math Flash Cards are funny and educational, can effectively accompany children and increase parent-child interaction. Features -Color:Assorted Color -Material:Paper - Size: 8.70X7.50X0.10cm/3.42X2.95X0.04in -The early education Math Flash Cards are diverse in content and easy to use. Creative design makes knowledge easily recognized by young children. -These portable Math Flash Cards can help the kids to learn arithmetic problems. -The printing of the educational Arithmetic Cards is better, and the writing pattern is clear. -The product is carefully crafted, and the color of the pattern is not easy to peel off. -These early educational Arithmetic Cards are light in weight, compact in size and easy to use. Package list: 54 x Math Flash Cards 2 x Pens