Dice offer effective methods for developing various math skills including addition, subtraction, multiplication, division, fractions and percentages. Effective method for teaching math reasoning and computation skills. Great for table top games! Details:Assorted colors7 dice per setPlasticFor grades 4 and upContents:1 die: 4-sided1 die: 6-sided1 die: 8-sided1 die: 12-sided1 die: 20-sided2 dice: 10-sided dice