The Grimm’s Building Rings Rainbow from enable amazing building and stacking possibilities and much more! This is how fir tree forests can be made, how spherical towers can grow into the sky and how our rainbow friends can turn into rainbow-pile acrobats. 24 wooden rings in 2 sizes, 12 x inside Ø 20 mm, 12 x inside Ø 30 mm, wood: maple, varnished in color

Grimm’s Building Rings Rainbow do not come with the cotton bag shown on the first product photo. They come in an environmentally friendly paper bag.