mind challenge classics series Inventors: Dr. Mark T Wood and Frank Dyksterhuis The Dr. Wood Challenge Centre is delighted to bring you the Mind Challenge Classics Series. This line of devious, intriguing, compelling, and fun puzzles is dedicated to the great minds of the world. From mischievous two-piece puzzles that you could solve in five minutes to fiendishly complex ones that may take you a lifetime.! More... Price: AUD 94.91 Currency Converter Shipping  Cost         To buy puzzle(s), select the puzzle(s) you'd like to order and click on the “Add to Cart” button.   Currency  Converter | Shipping  Cost (Applicable for all products)   Pyramid Price : AUD 4.99   Sanity Price : AUD 9.99   Eight Price : AUD 12.99   T Price : AUD 7.99 Why Price : AUD 12.99   Link Price : AUD 9.99   12 Ladies Price : AUD 12.99   Intrg8 Price : AUD 12.99 Square Off Price : AUD 9.99