Brain Games Puzzles for Kids - Amazing Number Challenge

All the challenge and fun of Brain Gamesnow for kids! Contains 121 number puzzles for kids age 6 and up. Puzzles include sudoku hashi number searches hitori math puzzles evens/odds minesweepers vex-a-gon and more. Spiral binding allows book to lay flat while in use. Complete answer key is located in the back of the book. 160 pages This book will stretch kids logic computation reasoning and problem-solving skills all while providing hours of entertainment.