Sum-Building Set
- ISBN13: YD1011
£46.80
A larger set of 50 pebbles with both numbers and operation signs, creating a playful way to introduce children to sums.
*If your school would prefer to be invoiced for this purchase, please select ‘invoice’ at checkout.
The set contains two of each number from 0-20, two of operations +, - and = and one of operations x and ÷.