Even though you'll need to pay for your own potato, this Portal 2-themed science kit is a great way to teach kids about evil artificial intelligence and electrolytes.

Source: http://feeds.pcworld.com/click.phdo?i=a3c9d4167dc78f1f1afe040c4c769f8a

METHODE ELECTRONICS MENTOR GRAPHICS MCAFEE MAXIMUS MANTECH INTERNATIONAL