Set of 12 durable place value units dice are ten-sided and packaged in a plastic bag. Great for use in the study of place value.  a math manipulative for hands-on place value games and activities. Units place value dice are printed 0-9. Each die is ten-sided so students can generate numbers between 0 and 9. 16 mm dice made of acrylic. Color-coordinated dice match our other place value products.