Picture of Cardboard and Duct Tape Clock

Clock ($2) From dollar store
Duct Tape ($1) From dollar store
Card Board (Free) Came with clock
Exacto Knife

Total Cost: $3
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Step 2: Step Two

Cut the cardboard into any shape you want. I went with a simple square. 
Make sure that the cardboard is bigger than the minute hand.

Cover it with Duct Tape strips.

Mark the center, and cut out a small hole. Make sure it is big enough for the hands to go into.

Step 3: Step Three

Picture of Step Three
TEAttach the control box on the back with duct tape.

Attach the hands back into the control box. (This may require some force).

To make sure the hands are in the right places, turn the knob that lets you adjust the time. 

The minute hand should move, and the hour hand should move slower. The second hand shouldn't move.

Step 4: Step Four: Add the time (optional)

Picture of Step Four: Add the time (optional)
If you want you can add the number around the clock.

I decided to use roman numerals and to only include 3, 6, 9, and 12.

You could use regular numbers, and/or use all 12 numbers.

I took some duct tape and cut it into small strips with the exacto knife.