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How to Make Periscopes With Toilet Paper Rolls

Periscopes use reflected light to help people look around corners or obstacles while staying concealed. Underwater submarines need periscopes to see ships on the water surface and law enforcement personnel uses periscopes to stay undetected by criminals. Make a simple periscope craft for your children or classroom with just a few household supplies.

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  1. Connect two to three toilet paper tubes with tape so that they make a long tube. Cut the outer edges at a 45-degree angle. Keep in mind that the longer the tube you make, the smaller the image will be. Traditional periscopes in submarines are also equipped with magnifying lenses. Set the long tube aside.

  2. Cut two other toilet paper rolls at a 45-degree angle.

  3. Tape the smaller cut toilet paper rolls to the longer tube, connecting the rolls at the 45-degree cuts. When you are finished taping the tube together it should look like the letter "Z."

  4. Wedge a small mirror into the top and bottom of the tube at a 45-degree angle. Periscopes need two mirrors, which reflects the image twice and makes it a true image, not a mirror image.

  5. Hold the periscope up to your eye and look through it. If the mirrors are positioned correctly, you should be able to see things through the tube. Readjust the mirrors as necessary.

  6. Add structure and stability to the periscope by attaching a wooden dowel along two sides of the tube with tape. Cover the dowels, and decorate the periscope with papers or paint. Boys may want to colour the tubes in a sort of camouflage style whereas girls might want a prettier design.

  7. Tip

    Instead of connecting toilet paper tubes in Step 1, you could also substitute them for a paper towel roll. You could also make the periscope from larger recycled materials such as a tall 1-quart milk carton or cereal box, which tend to be sturdier and easier to handle.


    Masking tape and packing tape works best on the cardboard toilet paper tubes. Don't use traditional cellophane tape, it doesn't hold very well on the cardboard.

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Things You'll Need

  • Toilet paper rolls
  • Scissors or box knife
  • Masking tape
  • 2 mirrors
  • Paint
  • Paintbrush
  • Embellishments

About the Author

Daniella Lauren

Daniella Lauren has worked with eHow and various new media sites as a freelance writer since 2009. Her work covers topics in education, business, and home and garden. Daniella holds a Master of Science in elementary education and a Bachelor of Arts in history from Pensacola Christian College.

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