But it's not just a place to stay, it's a place filled that's filled with fun and laughter and for kids with cancer, that might just be the best medicine of all.
Flying rockets and exploding volcanoes is all part of the weird science class at the Ronald McDonald House.
"I just put baking soda in there and here's lemon juice and the food coloring," said 7-year-old Nora Getthell.
For more than 30 years, this home away from home on the Upper East Side is a place where kids with cancer can stay with their families while getting treatment.
"Our goal primarily is just to provide a home where the kids can feel like they're kids first before they're kids with cancer," said Natalie Greaves, Director of Communications.
And they make that happen with activities and programs where having fun is the top priority.
They have kids from 29 countries around the world and from all over the United States and they're told they can stay as long as they need to, as long as their doctors say it's medically necessary.
For the first time the Ronald McDonald House of New York has relay teams for the New York City Triathlon, that's just 5 days away.
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