Nurture your child’s problem-solving skills through love for numbers by opting for the Solimo Super Sudoku Pack, including a set of four books. With 300 GSM used for making the cover and 90 GSM for the papers, the book set is sturdy for children’s usage. Each book consists of 160 pages that cover classic Sudoku puzzles that help develop logical thinking skills and boost concentration. The Solimo Super Sudoku Set of 4 Paperback books also makes an ideal gifting choice to kids on their birthdays, for Christmas and such special occasions. This book collection is recommended for children of ages three and above.