These are 16mm dice.
A hands on way to practice basic math skills.
Comes as a set of 8.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.95 inch
Height : 0.59 inch
Length : 5.12 inch

Item Weight: 1.6 ounce (View shipping rates and policies)
Shipping Weight: 1.92 ounce (View shipping rates and policies)

ASIN : B000F8R4MY