Brain Games Desk Calendar: Brain Games Desk CalendarLike our bodies, our brains need regular exercise to stay healthy and fit. That’s why the team at HAPPYneuron, with a network of scientific experts, has developed these fun and challenging games to stimulate the five major brain functions. You’ll feel the brainy burn with each invigorating workout designed to keep your mind in tip-top shape.Desk Calendar365 Day Calendar5.38" X 5.38"Adhesive BindingSmall Square GridObserves Major Holidays