Snap together these cubes and watch mathematical relationships come together right before your eyes. Unique set lets students snap cubes together to visualize and understand abstract concepts with interest-keeping hands-on activities. Includes 51 color-coded cubes with fractions decimals and percents clearly marked on each side plus an activity guide. Games/Manipulatives Type: Math Manipulatives; Age Recommendation: Grades 1-6; Choking Hazard: Warning 1.