Learning Advantage Polyhedra Dice 12 Sides Set Of 12 Hands On Math Manipulative Teach Numeracy Math Games For Kids Five moments of need the learning theory, explained [with examples Customize Learning Experiences for Students: Adaptive and Personalized Top 10 Ways to Develop Leadership Skills in Students. Probability and math activities come alive when using these specially configured, alternative dice! Each set contains 12 dice. Practice early numeric concepts or break them out while playing Dungeons and Dragons! Use these 12 sided, multipurpose dice to organize grade appropriate math activities and explore number concepts, operations, probability, statistics, pre algebra and more. For ages 3+ Size: 1. 3'' W.