Each of the five boxes requires two moves to open it. Each box has a different animal design on the lid. On the inside of the lid of the outer box ODAWARA MADE IN JAPAN and a symbol are stamped in ink.

The puzzle is to open the piece. It advertises M.C.L. AND REPETITION LTD. The outer surface also includes the words BRITISH ALUMINIUM BA-35. This will be the alloy type from which the puzzle is machined.