The Gaming Bundle features Apps with an increasing level of difficulty for each App:
Digital Book 4D3dPuzzles in PDF format: 117 Pages
Click here for the "Gaming" Bundle for APPLE Computers
With the Apps of this Bundle you will improve spatial orientation, coordination eyes-hands, focus, logical thinking, solving skills and much more. The Digital Book is an excellent source of information about 3d-Puzzles and basic geometry.
Recommended for all Skills, Knowledge Levels and Backgrounds.