This alternative to plastic set contains 352 counters, made from 1mm thick cardboard in the European Number Place Value formatting (commas and decimal points are used in opposite to the English method). All numbers up from 0,001 until 1.000.000 are in the same colours as the rest of the range, such as Base 10 and can be used in combination. The counters 0,001, 0,01 and 0,1 are also indicated as fractions n the reverse. Set includes manual. The diameter of each counter is 25mm.