Grimm’s Concentric Circles and Rings, is a 20 piece building set containing both wooden disks and wooden rings. This is a large creative puzzle great for imaginative floor play.
In combination with other building blocks the building and creative possibilities are extensive and new ways of  building can be discovered over and over again.
The Concentric Circles and Rings are a perfect complement to Grimm’s World of Numbers, Stepped Counting Blocks, and large stepped Pyramid

Comprises 20 pieces-10 large coloured rings and 10 large coloured disks.
Materials: birch ply wood, non-toxic water based colour stain.
Size: diameter 2-20cm.

Recommended for ages 3 – 6 years