This Leapster system is currently 51% off! We've never used a Leapster and are way beyond its age but I know many do and may find this useful:
Leap Frog Leapster 2
Here's another good deal. These Mega Bloks are 50% off. My dc used these a lot when they were little. My mom just got rid of her set last year. Her grandkids used them for about 14 years!