This Math Learning can withstand lots of use by little hands, will create a funny learning experience for children. Made of safe material, will for kids to use, full of fun and attractive for kids. Features -Color:Multi -Material:Paper -Size:10.50X7.00X1.50cm/4.13X2.75X0.59in -Range: from grade one to (primary school) - can keep kids away from cell phone and computer game, and get involved in this fun game. -Accompany your children to play this game to improve the parent-child relationship. -As a great kids on their birthday or daily life, they will like it very much. The set of flash is hole-punched, easy to collect and carry by the rings. -Simple but funny, it will give your children a happy childhood, skin-friendly and educational. -Made of safe paper material for and safe in use, you can use it with confidence. Package list: 2 x sets of math formula