Learning Advantage Subitizing Dice - Set Of 6 - Hands On Math Manipulative - Teach Early Numeracy - Math Games For KidsTrain students to quickly identify the number of dots with this set of 3 red and 3 blue ten sided dice. Practice numeric concepts or break them out while playing Dungeons and Dragons! Use these 10 sided, multipurpose dice to organize grade appropriate math activities like counting, subitizing and more. For ages 5+ Size: 1. 3'' W.