http://www.pcmag.com/slideshow_viewer/0,3253,l%253D250054%2526a%253D250058%2526po%253D1,00.asp?p=n

Samplers of the 101 Apps:

Photoshop Express (Free) works like the Photo Elements which I paid over $100.

Scramble

Korg iElectribe - music syn

ArtRage (make artists of your kids)

Worldatlas

Star Walk - good for the kids - astronomy

The Elements: A visual Exploration - much better than what I use to learn with flat wall chart.

Note Taker (for parents who buys new words learn by your kids, everyone I total how many new words my 7 yrs GD for $1.00)

How Stuff Works

YOU CAN FIND OUT MORE FOLLOW THE LINKS.