EDI1826 Features: * Hot dots academic vocabulary card sets grades 4-6 * Academic Vocabulary development and familiarity with multiple choice format is crucial for successful standardized test-taking * Hot dots academic vocabulary card sets makes it fun to build academic vocabulary * Each set of 50 double-sided cards reinforces 400 important academic vocabulary words from science, math, social studies, and language arts using the interactive Hot Dots Pen (sold separately) * Perfect for learning centers or anywhere in the classroom * Self-checking system enables students to work independently with instant reinforcement