Play with the impressive power of green science with this fully equipped kit. It includes a digital clock, wires, prongs and assembly instructions. All you need is a couple of potatoes ...

Play with the impressive power of green science with this fully equipped kit. It includes a digital clock, wires, prongs and assembly instructions. All you need is a couple of ...

Play with the impressive power of green science with this fully equipped kit. It includes a digital clock, wires, prongs and assembly instructions. All you need is a couple of potatoes. $19.95 at ...

Play with the impressive power of green science with this fully equipped kit. It includes a digital clock, wires, prongs and assembly instructions. All you need is a couple of potatoes. $19.95 at ...

Some digital alarm clocks we tested—specifically those with lots of extra features and controls, such as the Philips Wake-Up Light—required a detailed review of manuals to get them up and running.

Play with the impressive power of green science with this fully equipped kit. It includes a digital clock, wires, prongs and assembly instructions. All you need is a couple of potatoes. $19.95 at ...