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Step 1: Get the Stuff

To make a tennis ball safe, you will need: A knife A piece of paper A tennis ball A baseball display case

Step 2: Cut the Hole

Take the knife and cut a hole about 3 cm. by 5 cm. Then you can either keep the piece you cut out and save it, or you can trash it. The option is yours

Step 3: Enter the Money

Then take the money and drop it into the hole. Then take the paper and rip it into about 5-6 pieces, and stuff it into the hole. After that, just set the finished piece in the display case (hole side down) and put the lid on. Nice!!                                                                                        Please note that I am NOT RESPONSIBLE for anything you decide to do with this thing
sorry the pics are crummy; I used my phone to take them

About This Instructable

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Bio: I am a teenager who is studying Principles of Engineering at DTSMA high school and a future engineer.
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