Recommended Age 5 yrs. - 8 yrs. / Kindergarten - 3rd gr. Description As students turn the pages of our hands-on flip books, they match letters, blends and digraphs with ending sounds—and build up to 300 words! You get 30 illustrated flip books that each focus on a different word ending. Each book measures 2 3/4" x 6 1/4" and is 10 pages.