ISBN-13: 9789657471098 / Angielski / Miękka / 2012 / 86 str.
60+1 unique hand-made larger puzzles in medium to hard difficulty level. Tredoku rules are based on classic sudoku but the playing experience is completely new. Play with ever-changing 3D shapes breaking out of the 3x3 original square, while stimulating both your logic abilities and visual perception. Enjoy