Measuring and Counting Abacus Beads
These Abacus Beads are a wonderful and unique teaching tool, taking a traditional counting and sorting device and introducing a new accurate measurement function which revolutionises the traditional learning companion. The Abacus Beads are exactly 10mm in width, so that children can easily and accurately measure distances and circumferences of many objects. The beads are available in units of 100 and are easily interchangeable to allow the user to create their own custom length sleeves. An excellent mathematical tool with many uses in the classroom.