The market has already witnessed water powered clock. To give a break to the swelling toxic landfills generated out of battery wastes, here is another clock that is run not by batteries but by liquid.  Fueled by water, fruit juice, cola or any other such liquid! Isn’t it interesting? This amazing clock is a digital one.

Place this minimal expense clock in your kid’s room and let them a first-hand experience on electricity and chemistry concepts or take it to the office and impress your colleagues.