SCHOOL READINESS: Learn and practice foundational reading skills with these preschool learning activities, including letter recognition & sounds, reading readiness, phonics, sight words, and more. ACTIVITY BOOK SET INCLUDES: Hot Dots pen and 2 spiral-bound activity books with 85 self-paced activities, plus 15 K-prep challenge activities; pen requires 2 AAA batteries (not included); for ages 4+.