[Slotted Calligraphy Book]: This slotted calligraphy book measures 13 cm x 18.8 cm and includes 4 practice notebooks, 1 pen holder, 10 pen refills, and 1 handle. [Varied Content]: The slotted practice notebook contains the 26 letters of the English alphabet, everyday words, numbers from 0 to 100, and simple addition and subtraction exercises. Its bright colors and fun shapes help children understand letters and numbers. [Reusable Function]: This magic notebook for children erases writing after 10 minutes, so it can be used repeatedly for a long time, helping children write English words and numbers in beautiful handwriting. [Ideal Tool for Early Childhood Education]: With these magic slotted notebooks, children use the pen to trace the lines and draw different shapes. This captures their attention and improves their reading and writing skills. [Age Range]: This magic slotted notebook is ideal for children aged 3 to 8. Ideal for all kinds of holiday gifts such as birthdays, Christmas, New Year's, etc. Material: Paper. Color: As shown. Note: Some accessories are randomly colored; color is not guaranteed. Package Contents: 4 notebooks, 1 pencil case, 10 pen refills, 1 handle. Only the listed package contents are included; other products are not included. Note: Due to lighting and different displays, the color of the item in the picture may vary slightly from the actual color. The measurement margin of error is +/- 1-3 cm.