Marshmallow and Toothpick Buildings

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Need to keep the troops busy a bit longer before school starts? Have them design their own three dimensional buildings and designs using only mini marshmallow and toothpicks. My boys were entertained for over two hours seeing how many different designs they could come up with. I was amazed at their building skills and their creativity. Here are just a couple of the structures they came up with.

The best part is that they are developing their spatial awareness without even realizing it! You might discover you have some future architects.


  1. Martha says

    already have this planning for my girl scout troop for one of our try-its. Looks like yours loved it.

  2. Shannon R says

    great idea! I think I'll do this with our girl scout troop too. I think they'd love it.

  3. says

    A great idea!
    Presented the topic “What does an Architect do” to a class of 5 year olds today, here in Munich,Germany.
    Sourced your picture as a possible craft project for them to do, which I also posted on
    thank you for the inspiration!

  4. Mary says

    I have been using this project for years with my preschool and after school kids. I have found it works much better if you spread the marshmallows out on a tray overnight. They firm up and are sturdier enabling the kids to build taller and more complex structures.


  1. […] Marshmallow and Toothpick buildings. From The Idea Room here. Educational on so many levels (building, thinking outside the box, spatial awareness, etc…) […]

  2. […] Then poke a toothpick in each upper marshmallow and connect them together in the center. They will stand on their own, but to add more support, I added a “tent pole” in the middle with a marshmallow base. This made the top go higher instead of lower than the fence. Count all of the triangles! See more marshmallow buildings at this blog. […]

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