Educational Insights Hot Dots High-Frequency Words Card Set Forty double-sided cards (80 passages) provide practice reading simple stories, jokes, poems, and more. Each card features four multiple-choice questions focusing on target words from Dolch and Fry word lists. Students use the Hot Dots pen (sold separately) to respond and receive instant reinforcement and feedback. Perfect for learning centers or in the classroom, this self-checking system enables students to work independently. Grades K+