Grimms Stacking Game Large Bobbins, Rainbow Colours Stacking, sorting by colours, and building towers or funny people: this stacking game is very versatile. Tip: wonderful to roll up ribbon on the bobbins for repurpose. 10 pieces in raonbow colors. Materials: maple wood and limewood, non-toxic water based color stain or non-toxic plant based oil finish. H = 5 + 7cm, diameter 4,5cm, base L = 26,5cm.