Learning Resources Cuisenaire Rods Multi-Pack: Plastic Rods, 6 Sets of 74 Provide a concrete representation of abstract math concepts with these plastic rods in a variety of color-coded lengths (in 1cm increments from 1cm to 10cm) Improve Common Core skills such as fractions, measurement, and more 244 total rods (Six sets of 74), 6 trays with lid and teachers guide Enough for 12-18 students Ages 4+