This wooden coat rack is an excellent sorting aid for Grimm's 24 building rings (sold separately). Each of the 12 coloured dowels can carry 2 rings. Nice for sorting sizes, colors and also helpful for counting. There's nothing more fun than putting rings on and taking off rings and hanging them up elsewhere. Kids can repeat that endlessly in their own open-ended pretend play. Of course it also looks very nice as a decoration in the room with the rings on it.