https://www.cannonballs.org/

The site states the following:

While there are over 120 different types of childhood brain tumors, DIPG is the most underfunded, the least researched and the most aggressive in children, leaving many families feeling helpless, yet desperate, to get the best medical care for their child. The financial stress of these situations can have long-term effects on families.
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The Cannonballs for Kayne Foundation strives to improve the lives of those affected with a childhood brain cancer diagnosis. It is our belief that each individual can make ripples in the water; together we will MAKE WAVES

United States