Our edx education® 1cm Interlocking Cubes are a great way for your child to get hands on with learning maths skills such as counting, area and measurement. Each cube has 3 holes and connector so children can connect the cubes vertically and horizontally, and even make their own 'ruler.' 10 bright colours for sorting, pattern making, counting and basic measuring. Great for mathematical concepts such as addition, subtraction, division and multiplication.