Learning Resources Centimetre Cubes (Set of 1000). Primary learners will get hands-on with a variety of maths concepts with these colourful centimetre cubes! These cm plastic cubes are ideal for developing a variety of early maths skills including counting, addition, subtraction, patterning, measuring and sorting. Features ten different colours – red, orange, light green, dark green, brown, black, blue, yellow, pink and white. Cubes measure 1cm and weigh 1g each. Includes an activity guide. Cubes and guide come in a handy storage tub. Suitable for ages 6+.