Brain Challengers Mega Sudoku Puzzles 16x16 Vol 3

Playing Sudoku is noted to help keep your brain sharp and healthy. The reason is because this game is mentally-stimulating so as you play it, your brain produces more neuron connectors that are basically the ?lifeline of your brain?. Though more experiments and studies are needed to prove this theory, it's still something worth thinking about. Grab a copy today!