Koplow Games

This clear plastic 25mm (1") cube holds two tiny 5mm (3/16") red dice inside and one tiny white die.

These 1-inch bright yellow foam dice display the addition symbol on two sides, the subtraction symbol on two sides, and the multiplication and division symbols on one side each.

These 1-inch bright yellow foam dice display the addition symbol on three sides and the subtraction symbol on the other three sides.

This curious die (or should we say dice?) is a clear plastic 25mm (1 inch) cube that holds three tiny 5mm (3/16 of an inch) dice inside.