A clever system for making up large numbers and learning about place value. Each denomination of units, tens, hundreds and thousands is linked to a colour so that they can be identified more easily. The holder and the large size cards can be used for setting up group activities. On the other hand, the small size cards are ideal for workshops or individual work.
54 arrows from 1 to 9, 54 arrows from 10 to 90 and 54 arrows from 100 to 900.