Explore early math concepts with Cuisenaire Rods! Build fundamental math skills for children in grades K-2 with this versatile activity set that helps young learners relate abstract ideas about numbers and shapes to highly versatile manipulatives they can see and touch! The set pairs rods in 10 colors, each a different length, with guided activities that help children master math skills and build understanding through hands-on practice. Includes 15 double-sided, write-on/wipe-off activity cards and a variety of Cuisenaire Rods, for exploring addition, subtraction, composing and decomposing numbers, early geometry, and more. Size: 23.3 x 3.6 x 23.1 cm. Ages 5+.