These durable interlocking plastic cubes are a real help to pupils learning about fractions and equivalents they help children to visualise and understand fractions concepts through the building of fraction towers the cubes are marked with respective fractions percentages and decimals covering one whole 12 13 14 15 16 18 110 and 112 a simple and appealing way to reinforce maths teaching in the home develops understanding of fractions and equivalents dimensions 21 x 18 cm o