Multicolored magnetic letters are an extremely versatile classroom resource. Jumbo size letters are perfect for small hands and classroom demonstrations, while student size letters can be used on individual boards for a variety of word building activities. Jumbo letters measure 2 1/2 - 3 tall and come 34 letters per set. Student size letters are 1 1/4 tall and come 36 letters per set or in an added value class pack of 864 letters