$10 off $30 on Home, Health & Beauty, Sporting Goods, Bags, Entertainment, Apparel, Jewelry, Toys and Pet Supplies when you use V.me at checkout. Ends 5/26/2013.
|Alien This sinister device seems at first glance to be an innocent ping-pong ball. Touch both of the metal strips on the weighted bottom, however, and a circuit closes, making the ball flash red and moan eerie electronic sounds. Can be used to illustrate the idea of an electric circuit to children-show how electricity can flow through a chain of people holding hands, or that a little dampness can improve conductivity, etc.|