Didax DD-211013 Write-On/Wipe-Off Base Ten Blocks, Set of 10

These mats have base ten blocks (hundreds, tens, ones) pictured on one side. On the reverse is a grid with labels "hundreds," "tens" and "ones". Each side has space for students to write in numbers. Mats measure 9" x 12" and are made of tough, flexible plastic for use with dry-erase markers. Set of 10 mats. Grades 1-6.