Super Stealthy Spy Periscope! by Gunk on Floor
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Step 2: Prepairing the body of the periscope.

Take your cardboard box. It should be sorta long, and narrow in shape. The first thing you want to do is to close up the ends with your tape. Just close the ends and cover them with a piece or two of tape.

After you've done this, cover the whole box in tape. The tape adds to the rigidity of the box, and makes everything look cleaner and smoother than if it were left the way it was. And it makes it look less suspicious than a box of thin mints peeking up over the window.

 
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