This is actually a science project I did when I was in school but I remembered it being so fun, I introduced it to my kids one very wet weekend. They had a ton of fun rearranging the path for the marble to run down. It’s great for them to learn about scientific discovery this way – sometimes one way doesn’t work, so you have to problem solve and think of another way to solve the problem of getting the marble into the box.


  • 6 empty toilet rolls
  • 1 small box (not seen in the picture)
  • 1 marble
  • sticky tape


  1. Clean the toilet rolls from any scraps of paper left on them.
  2. Cut strips of sticky tape and double side them. Stick them to one side of the toilet roll, then stick the toilet roll to the door. Do this for all the toilet rolls.
  3. Have your child figure out a path for the marble to run down and place the box on the ground where they think it will land.
  4. Once the path has been arranged on the door, have your child place the marble in the topmost toilet roll and see where it runs to. If it lands in the box - fab, see if they can make another path. If not, have them rearrange the toilet rolls until the marble runs true.

Notes... If you have small children, substitute the marble for a pom pom. It falls slightly slower and doesn't run so away if it misses the box. Plus, if you have wooden floors, it is much less noisy!

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This project was posted by:

    • 13 Jun 2016
      4:48 pm

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  • Alot of fun,thanks for your idea!


  • Great holiday fun. Thanks


  • We did this but squashed them a little and they fit cars.


  • I know my daughter wont be bored these school holidays. Thanks for the great idea.


  • What a great way to recycle whilst the kids are having fun. Wonderful project. Thank you for sharing.


  • Very easy and will keep the kiddies occupied, thanks!


  • A fantastic idea and looks so fun for the little one’s; thanks!.


  • What a great way to entertain kids. It’s so easy to change the path which mean that they can always alter the game


  • Marble run is so much fun – thanks for your version.


  • I’ll get the grandkids to do this next time they visit.


  • We do a similar thing with pom poms, we call it” pom pom drop”.


  • I like this idea! It very creative! Thank you


  • This is such a great way to get kids involved and make them think too while they are having fun


  • This is a brilliant idea! I will keep this in mind for the younger grand kids.


  • This is an amazing idea. My daughter loved the game “Marble Madness” when she was younger. How nice it was to watch all the marbles running down the construction. Your idea is fantastic, so easy to make too!!

    • Cheap and easy. I think my kids would have loved a store bought marble run but they played with this one for so long and it cost nothing! Just from things we had lying around the house.


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