Power up essential skills with a handy pack of flash cards. Contains 4 card sets to energize skill practice and mastery: Spellominoes® Word Game, Rhyming Words Dominoes, Addition Dominoes, and Word Problems Test Prep Math Grades 1-3. Great for school, home, childcare, and travel. Self-checking, answers on backs. Quick-sorting, no-see-through cards. Two-sided, 3?" x 5¼" cards.