PreK and up. Focus student attention on whiteboards, blackboards, pocket charts and more. Allows the isolation of letters, words, parts of speech, context clues, and print concepts in literacy. Supports demonstration of place value, coin value, identification of numerators and denominators and different types of angles. Features 14"L plastic swatters in four colors and frame sizes. Largest frame measures 5"L x 2.5"H.