Educational Insights 2506 Hot Dots Science Standards-Based Review Cards - Grade 2 Give second-grade students the support they need to master key grade-level science skills! Set includes 300 double-sided cards and 600 interactive multiple-choice questions, divider tabs, key, tracking sheet, storage box, and guide. Content aligned with national and state standards, and covers key grade-level science skills. Press the Talking Hot Dots Pen (sold separately) to any answer for an immediate audiovisual response. Perfect for centers and independent study.