Kallewupp is an interlocking toy consisting of 200 elements in most different shapes. They are made of cardboard and come as a colourful pack, out of which a wide variety of objects and sculptures can be created. The toy not only engages children’s imagination and is fun to play, but also trains dexterity and concentration. Kallewupp may become a town, a zoo, a castle, a tree, a plane, a dragon and so on.