- 250 excellent puzzles for children- 50 EASY ] 50 MEDIUM + 50 HARD and 100 VERY HARD LEVELS .- each Sudoku has a unique solution - tasks are conveniently located - large font - develops memory, logical thinking, helps to focus - 2 puzzles on the page - wide internal fields allow you to record your decisions and thoughts- very convenient and practical - expands creative possibilities - perfect gift for all fans of puzzles. An excellent book for free time pastime and mind training. I hope you enjoy my book. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
| Author: Andrii Pitenko |
| Publisher: Createspace Independent Publishing Platform |
| Publication Date: Jun 08, 2018 |
| Number of Pages: 150 pages |
| Binding: Paperback or Softback |
| ISBN-10: 172092970X |
| ISBN-13: 9781720929703 |
