The edx education® Base Ten 4 Colour Set is a great hands on and visual aid to support children with learning maths at home.. Colour-coded blocks and counters allow children to tangibly represent numbers to solve mathematical problems using addition, subtraction, multiplication and division.. Set includes 100 yellow cube units, 10 green rods, 10 blue flats and 1 red block of one thousand. Robust and easy to wipe clean.. Set includes: 121 pieces. Size LxWxH: 26.4cm x 11.3cm x 10.9cm. Age: 6yrs+. MPN: EDX10510