Organize place value materials to perform addition and subtraction. Designed to fit our Place Value Action Tiles (not included). Easily display decomposing and composing numbers. Labelled with Thousands, Hundreds, Tens and Ones. Measures 15.55" W x 10.7" H (39.5 cm W x 27.3 cm H). Set of 3 trays. Accessories not included. Grades 2+.