Grimm's Building World Polar Light Block SetThe cool nuances of blue and white give the Building World Polar Light an icy and fairy tale appearance. The building materials come in a wide variety of shapes allowing imaginative free building. Building Worlds come in a handy frame and are just waiting to burst it with the imagination of a child. They are practical small Building Sets promoting exceptional small Play Worlds. Perfectly incomplete, they invite you to add your imagination and create