DURABLE MATERIAL: Crafted from 300g cardstock and double-sided laminated with durable film, these flashcards are waterproof, tear-resistant, and reusable. INTERACTIVE LEARNING: Each flashcard features questions on one side and answers on the other, encouraging self-checking and grading for effective study process. ENGAGING EDUCATION: This set includes 15 addition flashcards (1-12), 2 pens, and 1 storage ring, designed to make math learning enjoyable through interactive games. PORTABLE DESIGN: With a compact size of 7x18cm and rounded edges, these flashcards are convenient for studying on-the-go, ensuring learning opportunities anytime, anywhere. ORGANIZED STORAGE: The plastic ring included allows easy organization and storage of the flashcards, keeping them neat and accessible for educational use. Description: Enhance your child's math skills with this high-quality math flashcard set. Made of 300g cardstock and double-sided laminated for durability, these flashcards are waterproof, tear-resistant, and reusable. The interactive design features questions on one side and answers on the other, encouraging self-checking and grading. Included in this educational set are 15 addition flashcards (1-12), 2 pens, and 1 storage ring, perfect for engaging your children in fun math games. The compact 7x18cm size with rounded edges allows for easy carrying and studying on the go. Organizing and portability are made simple with the plastic ring included for storing and keeping the flashcards organized. Make learning math enjoyable and convenient with this comprehensive flashcard set. Item Name: Math Flashcard Material: Paper Features: Reusable, Educational, Math Learning Aid Size Details: 7cm x 18cm/2.76" x 7.09" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 15 x Question Cards 2 x Pens 1 x Storage Ring