A versatile collection of rectangular rods of 10 sizes and colours. Each colour corresponds to a different length. Provide endless opportunities to introduce, investigate, and reinforce key math topics such as counting, operations (+ – x /), geometry and measurement, fractions, place value and area and perimeter. The shortest rod is 1x1x1 centimetres while the longest is 10x10x1 centimetres. Set contains 126 assorted rods.