Usage Tips:Math Skill Development: Help teach your child basic math with our addition flash cards,multiplication flash cards, subtraction flash cards, division flash cards and math mat. This math games set is perfect for honing early math skills while reinforcing calculation techniques at any age Efficient Learning: 288 math flash cards cover all math fact from 1 to 12. Each card has two back-to-back equations instead of one The answers are conveniently located on the bottom corner of the opposite side,easy to pratice and review Convenient and Organized: The are hole-punched so you can easily organize the cards using the included 4 metal rings and you a card. The colored borders make sorting and organizing them a breeze Long-Lasting Quality and Sturdy: The math manipulatives set comes with a fidget mat,72 addition flash cards,72 multiplication flash cards, 72 subtraction flash cards, 72 division flash cards,4 organizing rings and 1 storage bag.Child can write answers on the cards and can be written and modified repeatedly Scientific Designed Math Mat: Divided into calculation area and answer area,kids can learn math calculation more accurate by using mat Colour: Random Color, don't accept the specified color Material:Silicone + Card Package Contents: 1 x fidget mat(The color of the mat is random, no specified color is accepted) 72 x addition flash cards 72 x multiplication flash cards 72 x subtraction flash cards 72 x division flash cards 4 x organizing rings 1 x storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.