Jumbo Challenge Sudoku Ages 9-13 Years Vol 2

A big volume of 300 sudoku puzzles and answers for advanced preteen ages 9-13 years. Trains the brain in logic and problem-solving. Fun puzzles to relieve anxiety, aid stress relief. Playing puzzle games helps with feeling calm. These puzzles are harder than medium or easy. Great gifts for sisters, girls, cousins, friends, boys, brothers, any teen or preteen that likes sudoku and is advanced. Can be used for Valentine's Day, Easter, Christmas, stocking stuffer, secret Santa, birthday gift, or party favors. Great activity for homeschooling or after school. Train your brain with logic games.