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Glow-in-the-Dark Comet | Science Craft Projects for Kids

Glow-in-the-Dark Comet

Total Time Needed: 1 Hour

While you wait for the stars to appear on a summer night, play catch with this homemade Glow-in-the-Dark Comet.


  • Tennis ball
  • Plastic shopping bag
  • Scissors
  • Clear tape
  • Glow-in-the-dark plastic lacing
  • Ribbons


  1. Lay a plastic shopping bag flat, then trim off the handles and slit up the sides. Place a tennis ball in the middle of the bottom of the bag. Gather the plastic around the ball; secure the gathered neck with clear tape. Cut the loose part of the bag into 1-inch-wide strips and trim them, if desired.
  2. Lay one end of a 7-foot length of glow-in-the-dark plastic lacing along the length of the strips and wrap the lacing around the neck a couple of times. Wrap the remaining lacing around the ball three times in one direction, turn the ball 90 degrees, then wrap it three more times so that the lacing crosses itself. Tie the lacing around the neck to secure it and trim the excess to the length of the strips.
  3. Run a strip of clear tape around the ball perpendicular to the wrapped lacing to keep it from sliding. Tie a few thin ribbons and more strands of lacing around the neck of the ball.