Water Powered Calculator
September 6, 2008 by Greener Buyer · 4 Comments
Got water? You’ve got power! With the all new water powered calculator say goodbye to batteries and hello to being green. Works like a normal calculator but Read more
September 6, 2008 by Greener Buyer · 4 Comments
Got water? You’ve got power! With the all new water powered calculator say goodbye to batteries and hello to being green. Works like a normal calculator but Read more