【Practice Calculation Problems】 This flashcard contains basic calculation problems and is perfect for improving children's math skills. 【Convenient to Carry】 Bundled with colorful rings, it's easy to carry around. It also comes with a pink case, making it easy to keep organized. 【Fun Design】 Illustrated with animal designs, it's a fun design that makes learning enjoyable. - Quantity: 4 books - Contents: Calculation problems - Design: With animal illustrations - Color: Pink case - Rings: Colorful rings Thank you for viewing.