Place Value Bulletin Board Set is a great tool to help children grasp place value concepts. They can learn the exact name for five places back from the decimal point and up to the hundred trillion place on the other side of the decimal point. Among the 77 pieces, the color-coded display includes words to hundred trillions, numerals 0 to 9, commas, decimals and reference charts. The set measures up to 16" high and includes a Discovery Guide with creative activities that teach and delight.