【 FUN TO LEAN 】Are You Tired With Numbers ? Our Pop Mutiplication Cards Can Let Your Kids Play And Learn. Pop To Learn Pop To Know And Understand The Fact Of Math While Playing Games. | 【 EFFICIENT LEARNING 】No Reverse Print 1x2/2x1. Less Cards But More Efficient For Kids To Learn.160 Cards Cover All Math Fact From 0 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. | 【 CONVENIENT ORGANIZED】 The Flashcards Are Hole-punched So You Can Easily Organize The Cards Using The Included Metal Rings And Ensure You Never Lose A Card. The Colored Borders Make Sorting And Organizing Them A Breeze. | 【 HIGH QUALITY AND REUSED】our This Flashcard Set Comes With 4 Pens Plus Wipe Function. Child Can Write Answers On The Cards And Can Be Written And Modified Repeatedly. | 【 HAPPY KIDS】 Coova Believes That Fun And Learning Go Hand-in-hand. We Strive To Make Products That Will Stimulate The Imagination, Creativity, And Develop Technical Skills, All While Still Being Tons Of Fun!