balloon
![Group of students building a carbon nanotube model out of balloons](https://nisenet.org/sites/default/files/styles/curated_list_large/public/catalog/programs/tabletop%20balloons2%20April%2007.jpg?itok=lU1EqlBg)
Balloon Nanotubes Tabletop
In this activity, learners build a model of carbon nanotubes out of balloons to explore the material's structure and properties.
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![A person inside of a balloon model of a carbon nanotube.](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/NanoDays2009_291.jpg?h=a5eb5da0&itok=f-FhlCzc)
Balloon Nanotubes (Giant Hanging Model)
In this activity, learners use a balloon model to observe how the carbon atoms are arranged in a carbon nanotube
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![Two children applying sunblock onto a slip of black construction paper](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/images/catalog/9881/sunblock.png?h=c13c8e3d&itok=T75Cyhzn)
DIY Nano: printable PDF version
In this series of activities, families of learners can experience and learn about nanoscale science, engineering, and technology at home or on the go!
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![A facilitator adds scented oils into deflated balloons](https://nisenet.org/sites/default/files/styles/curated_list_large_cropped/public/2022-02/20120216GH_0371.jpg?h=4362216e&itok=v3heMijA)
Exploring Size - Smelly Balloons
In this activity learners use their sense of smell to explore the world on the nanoscale and learn that we can smell some things that are too small to see.
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