Eight blocks (9cms. square, 7cms. deep), each containing a metal bell, and illustrated with colour images on each surface of animals playing different notes, eg a cow on violin, a dog on trumpet, an elephant on double bass etc., to be arranged according to the layout of the piano keyboard, and all conducted by a kangaroo in tails. In the original box, 190 x 370cms., with accompanying booklet setting out instructions for layout of blocks and illustrated sequences to play ten songs (8pp., the same dimensions as the box) Colour illustrated lid replicating booklet cover and showing all nine animals performing, the kangaroo raised on a tree stump.