Preschool Prep Wipe Clean Learning Activity Flip Books for Ages 2-4 w/ 8pk Dry Erase Crayons - Opposites/Matching This preschool prep activity flip book set includes the following: (1) Learning activity flip book on matching, (1) Learning activity flip book on opposites, (1) 8 pack Crayola dry erase crayons Take learning anywhere - a classroom, restaurant, or on a long trip to grandmas house - without having to tote around larger workbooks. For ages 2-4 years old 5x7, Spiral bound, Double-sided pages