Reinforce Core Standards of Operations and Algebraic Thinking! This fun and fast-paced multi-level game makes learning addition, subtraction and multiplication easy for children in grades K-5! Dice Heads has flexible game time options, as well as the versatility of having 2 to 4 players or 2 to 4 teams of players. Includes 24 high-quality dice in the 4 primary colors of Red, Blue, Green and Yellow which also serve as fun little novelty characters, one deck of 50 number cards, 4 equation cards and one color instruction sheet. Perfect for a classroom activitiy.