I am on a low carb diet because of my seizures, which means I can't eat sugar. So, I give out keychains on Halloween for the other kids that can't have candy.
My dad helped me convert this to a multi-color model for printing on my new MMU 2.0.
There are different size ball chains. Use the 100mm ones.
You can watch the full make in the video: https://youtu.be/pyfmMUVuTsw
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Glow in the Dark/Black