Rainbow Nesting Houses These lovely nesting houses can be played with in various ways - use them as a houses, caves, or tunnels, or stack them one on top of the other. From age two, children can play simple games with these houses, and as they grow they will be incorporated into more creative, complex games. The beautiful bright colours are created using non-toxic water based dyes. 5-pieces. 13cm X 6cm x 13cm