DIY Potato Clock

Hello Everybody!Welcome to my Instructables! This time i will show you how to make Potato Clock.The clock use potato energy not use battery.Hope you like this Instructables,Enjoy!

These are what you need:
•Potatoes
•Digital Clock with wires/LCD Clock
•Copper and Zinc strips
•Connecting Wire
•Transparent Tapes

Assemble a "connection pair" by connecting the pair of copper and zinc plates with a connection wire as shown(Pict.4). Carefully thread the wire's exposed metallic end through the hole on the plate(Pict.1).Gently twist the wire to secure it to the plate(Pict.2).Cover and secure the connection with the transparent tape(Pict 3).

Next,connect the black wire from the digital clock(negative)to one of the zinc plates(Pict.1).Then connect the red wire from the digital clock(positive) to a piece of copper plates.Now all the components are connected.

Insert the copper and zinc plates into the potatoes,as shown in the pictures,taking care that the metal plates do not touch each other.And now the clock turn on!

You can use salt water,lemon,etc too!And Thank you for see this Instructable!Hope you guys like it! please vote me in Time Contest!Thanks!