Gakken 3-year-olds: Thinking, Numbers, and Letters - 3 books + An educational notebook for 3-5 year olds to practice hiragana. The number of missing stickers represents the number of pages already filled in. Thinking → Approximately 30 pages filled in Numbers → 4 pages filled in Letters → 1 page filled in Hiragana (A, I, U, E, O) → 1 page filled in - Title: Hiragana and Numbers - Target age: 3-5 years old - Contents: Hiragana practice and picture book - Accessories: With stickers - Practice format: Writing and coloring Thank you for looking.