This is a 3d file compatible with 3ds max (file .max or .chr), there is also a copy of this file which may be imported in all most popular programs like Auto CAD, Light Wave and so on (file .3DS).
Do you know what is this? It is Rubick magic cube, the most popular reasoning game. The pieces are independents, if you know use 3DS or a similar program you can also play with it