Our edx education® Teacher 1-100 Beadstring is the perfect visual aid to make learning maths fun. A tactile way for your child to learn to count, play mathematical games, and understand addition and subtraction. The red and white beads can be alternated in numerical groups to help children picture multiples, forming the basis of multiplication concepts. A great tool for hands on learning.. 100 beads. Beads have an 18mm diameter.. Set includes: 1 string with 100 beads, in groups of 10 red beads and 10 white beads.. Size LxWxH: 22cm x 18cm x 5cm. Age: 5yrs+. MPN: 40027