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Making a Plastic Egg Submersible Submarine

Category Toys
This cute little craft, using a plastic Easter egg, can also be a fun experiment for your child, as they determine how many coins it takes to submerge the sub. This is a guide about making a plastic egg submersible submarine.


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April 20, 2019

This is a free and fun craft/experiment that my toddler son really enjoyed! He made an experiment out of this by seeing how many coins it takes for the submarine to sink (it was a trial and error experiment).


  • plastic egg
  • bowl and water
  • pipe cleaner
  • assorted coins
  • circle stickers
  • scissors
  • Sharpie


  1. Place the amount of coins inside the egg that your child thinks will be enough to sink the submarine.
  2. Decorate your egg with circle dots and go around the dots with a Sharpie pen.
  3. Cut a piece of pipe cleaner and bend for the periscope. Then hot glue to top of the egg.
  4. You are ready to drop the submarine into a bowl of water. The experiment is to see how many coins it'll take for the submarine to sink.
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