How can you make 3D glasses with little cost

3D is the up-and-coming technology in watching television and movies, so it is useful to know how to make cheap glasses easily with things you have at home.First of all, you will need a plastic cd cover, a blue and a red permanent marker and optional glasses frame. To begin, mark two areas of the cd cover, so they can fit to the frame. Then cut those pieces and paint the one red and the other blue. After that, attach the red one at the left side and the blue one at the right side. Now you can see television like never before