Fun Factory Cuisinaire Rods Cuisinaire rods are a classic set of math manipulatives used by educators all over the world. These rectangular rods visually represent numbers and have exact measurements. The smallest rod measures 1cm, while the longest rod measures 10cm. This method was developed by George Cuisinaire to aid students with basic mathematical functions. It has since been used in Montessori schools and in other educational settings. 308 pieces of colour coded rods: white 176pcs, red 36pcs, light green 36pcs, pink 12pcs, yellow 10 pcs, dark green 10pcs, black 10pcs, brown 6pcs, blue 6pcs, orange 6pcs Storage box measures 32.5 cm L x 17.5 cm W x 3.5 cm H Recommended age: 6 years old