This wooden building block set really has what it takes! Grimm’s Cornerstones allows tricky and surprising layering variations and develops spatial thinking. With the cornerstones, new and various objects in different colour patterns are created over and over again. In combination with Grimm’s classic building materials, the Cornerstones reveal their true greatness. With their aid, the most diverse marble runs and spinning tops arise.
Comprises: 18 coloured wooden pieces in wooden frame
Materials:Beech wood, non-toxic water based colour stain
Size: 15 x 15 x 5cm