Build, count, and discover the world of 120! Introduce number patterns, sequencing, place value, odd and even numbers, and much more. Double-sided board features numbers printed on the front and a blank grid for additional patterning and graphing activities on the reverse. Includes durable plastic tray and 180 plastic tiles, including transparent blanks in two colors for highlighting. Meets Common Core State Standards. Board measures 12'W x 14'H. Recommended for ages 6 years and older.