Our valued customers routinely tackle the world's toughest technical challenges for breakfast.

But even the savviest scientists, most phenomenal physicists and most eager engineers occasionally need a mental snack between meals.

Whether you're new to Sudoku or you are a grizzled veteran, we're sure you'll find the MKS Sudoku Challenge a significant stumper.

One lucky player who submits a correct puzzle will win the envy of his peers, and could win an iPod^® nano!