THE WORLD'S EASIEST DIRECTION COMPASS !!

Materials Required---
A small magnet
A large nail or an iron rod
A small board of plastic or any other thing which floats.

Step 1:

Paste the magnet on the iron rod.

Step 2:

Paste the iron rod in the middle of the plastic board.

Step 3:

Put it in a bucket full of water and watch how the rod will point exactly towards north..