Make the size of the numbers visible: Two small turquoise blocks are as high as one dark green block, two dark green blocks are as high as one yellow block, and so on.
Set of 100 coloured wooden blocks in a wooden frame. Made from lime wood and coloured with non-toxic water based dyes. Blocks 1-10cmL, single block 2cm thick. 3yrs+.
Please note that we can only sell this product within NZ.