Nintendo DS and Games
If your hubby is a gamer at heart, tease his mind this Valentine's Day with a Nintendo DS. The 100 Sudoku puzzles and 15 brainteasers that run on this compact system can improve concentration and rusty math skills. "Let the mind games begin," Oprah says.
Get the Brain Age 2 software for just $20 or the DS unit for $130 at Amazon.com. Featured in O, The Oprah Magazine, February 2008.