Interlock the versatile 1cm cubes in three dimensions. Each CentiFit cube is 1cm long; each face has an area of 1cm, weighs 1 gram and has a volume of 1cm. Ideal for studies in mass, volume and capacity, length, perimeter and area. Sometimes referred to as Centicube or 1cm Linking Cubes, CentiFit come in ten bright colours. Another quality Teachers First Choice product. This set contains 500 pieces in a sturdy, durable container.