Israels Noam Bettan finishes second to Bulgaria in Eurovision Song Contest Grimm's Medium Rainbow Natural. Grimms Rainbow (Medium) The ever popular and versatile Grimms Rainbow opens up little (or big) minds to endless creations. With it's 6 bright and aesthetically pleasing colours, it is easy to see why kids are so drawn to them. The Rainbow is recommended by Germany's Good Toy Guide "spiel gut" Kids love the things they can do! They can: Stack Sort Make tunnels for vehicles Make a cradle for a doll Build unique sculptures The Grimm's tunnel rainbow is made from lime wood and non toxic water based colour stain. Available in rainbow colours or natural Dimensions: 17cm long x 9cm tall Suitable from birth