18+ solutions to pack the thirteen pieces into the box.
The booklet proposes also several figures to lay tangram-like.
Finally a 4x4x4 cube can be built using all pieces.
Solutions included on the back side of the booklet.
High quality design produced by "Brainwright".
Piece height = cubie size: 1,5cm
=> total square size: 12x12cm
Closed box: 12.6 x 12.6 x 2.1cm