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Real Science: DIY Constellation Viewer

Science Educator Don Riefler shares how you can make your own constellation viewer so you can study the stars during the day!


  • Cardboard tube (toilet paper or paper towel)
  • Scissors
  • Paper
  • Pencil
  • Tape
  • Flashlight

Supplies for DIY Constellation Viewer with Museum at Home at The Children's Museum of Indianapolis


  1. Trace one of the ends of the tube on a small piece of paper.
  2. Find a picture online of your favorite constellation.
  3. Draw the constellation, making the stars nice and big, inside the circle you traced.
  4. Tape the paper to one end of the tube, making sure not to leave any openings.
  5. Using your pencil, carefully poke a hole for each star in the constellation.
  6. Turn the lights out and shine the flashlight through the open end of the tube onto a surface.

Share your constellations with us by using the hashtag #TCMatHome on social media!