beiens Multi Math Flash Cards, 270 Addition, Subtraction, Multiplication, Division Cards, All Facts 0-12 with 1 Erase Pen 4 Rings, Math Games Set for Kids Age 6+ 3rd 4th 5th 6th Grade Math Cards

【4 IN 1 Multi Math Cards】73-Addition Flashcards, 62-Subtraction Flashcards, 73-Multiplication Flashcards, 62-Division Flashcards totally 270 cards in this pack. Contains all you required to help your kids develop math skills.
【Erasable Pen & Sorting Rings】Come with a erasable pen. Kids can write down and wipe off answer on the question-side, which allowing kids to do repeated learning. 4 detachable rings make the cards easy to organize.
【Perfect Learn & Teach Device】Question on front and answer on the bottom of the opposite side. Large fonts, easy to read. Perfect for self-learning or as a teaching assistant. Great for student in grades 3rd 4th 5th 6th+
【Material For Kids】The math cards set cover with double-sided splash-proof film, easy to clean. Eco-friendly ink pen for health. Thickened glossy cardboard and rounded corner design is safe for your kids to grasp, no need to worry about breaking or bending.
【Ideal Student Gifts】Paced in an elegant extra-sturdy box, the high quality cards are non-digital toys that promote fun interaction. Your kids can enjoy using beiens math flash cards during class, after school sessions, and playtime. Best teaching aids card games educational gift toys for 6 years and up.