With the hot dots talking pen (sold separately) in hand, phonics practice becomes an exciting game children can play on their own or with adult guidance. The hot dots pen gives immediate feedback for correct answer choices with flashing lights and one of seven positive sounds—or one of two gentle incorrect answer sounds for wrong choices. Each set includes 72 learning activities on 36 full-color double-sided cards. Packaged in sturdy plastic storage cases, these are the perfect send-home helpers for children needing extra practice. All cards can also be used without the power pen as traditional flash cards. Summary: ages 5 and up. Approx. Weight: 7oz. Approx. Dimensions (inches): 5.5 X 4 x 2.5.