Increase your students and kids understanding of all the ways they can represent numbers with these educational and fun dice! Each dice represents a number in ten-frame, tally marks, base ten, and numeral format (featured rounded corners for easy rolling), Featuring multiple representations of numbers for 1 to 20, Ideal for ages 5-7 and dice measure 2" x 2" x 2", Instruction guide, and storage container comes with the kit. WHAT'S INCLUDED: 16 dice, Activity Guide, Storage container. Imported, Age: 5 years & up, Model no. 86889, Foam, plastic, paper, 8.3" x 5.9" x 6.1", Wipe clean. Gift Givers: This item ships in its original packaging. If intended as a gift, the packaging may reveal the contents. Size: One Size. Gender: unisex. Material: NONE.