Grooved Handwriting Book PracticeThe grooved handwriting book size is 5.1 inches x 7.4 inchesincludes 1 addition and subtraction, 1 number, 1 fun picture, 1 letter, 1 pen, 1 handle and 10refills. Rich ContentGrooved Copybook contains 26 english letters, daily words, 0-100 numbers, simple addition and subtraction. bright colors and cute shapes, which can improve children's cognition of letters, numbers. Reusable FunctionMagic Copybook for Kids the handwriting will disappear within 10 minutes after writing, so the copybook can be repeatedly use for a long time, help kids write beautiful English words and numbers. Good Tool For Early EducationWith these magic groove practice copybook ,children will use the pen to move along the path and draw different shapes. This will capture their attention and improve their reading and writing skills. Perfect Gift Grooved magic copybook set will be the perfect gift for your children ages 3-8 years old;suitable for all kinds of holiday gifts such as Birthday, Christmas, New Year, etc.