Turn a little Halloween fun into something more meaningful for kids with cancer.
You’ve found BOO Kids’ Cancer — a Halloween campaign from St. Baldrick’s Childhood Cancer Research Foundation.
As the largest charity funder of childhood cancer research grants in the U.S., St. Baldrick’s funds research to find better treatments and cures for kids with cancer.
And this Halloween, we’re inviting you to join the fun!
Whether you’ve been BOO’d by a friend, discovered us through one of your favorite creators, or are simply looking for a way to make Halloween a little more meaningful, there are three easy ways to get involved.
Build a BOO basket. Add a tag to a Halloween treat. Or make a donation in someone’s honor.
Pick your favorite way to BOO — or try all three!

1. Start a BOO Kids’ Cancer Chain
You may already know the tradition: secretly leave a basket of Halloween goodies on someone’s doorstep with a “You’ve Been BOO’d!” sign, then challenge them to keep the fun going.
BOO Kids’ Cancer gives this Halloween tradition a meaningful twist.
Fill a basket with treats, add our BOO Kids’ Cancer printables, and secretly surprise a friend, family member or neighbor. Then invite them to pass the fun along by BOO’ing someone else.
One little BOO can turn into another…and another…and another — all while helping more people discover the importance of childhood cancer research.
Fill it. BOO it. Pass it on.
2. Make Any Halloween Treat Mean a Little More
You don’t need an entire BOO basket to join the fun.
We’ve created free printable BOO Kids’ Cancer gift tags that can turn something you’re already giving into an easy way to spread the word about childhood cancer research.
Add one to:
- Teacher treats
- Hostess gifts
- Classroom goodies
- Coach gifts
- Neighbor surprises
- Party favors
- Coworker treats
- Gifts for friends
Just print your favorite design, cut it out and attach it to your Halloween treat or gift.
Each tag includes a QR code so the person you BOO can discover how to join the fun, too.
Print. Cut. BOO.
Download the Free BOO Kids Cancer Gift Tags
3. Give a BOO That Gives Back
Want to skip the extra candy and give something with an even bigger purpose?
Make a donation to St. Baldrick’s Childhood Cancer Research Foundation in someone’s honor, then use one of our special “You’ve Been BOO’d for a Good Cause” tags to let them know.
First, make your donation to help fund childhood cancer research. Then print your favorite tag and attach it to a Halloween card, small treat or gift.
Your recipient can scan the QR code to learn what a gift made in their honor helps make possible for kids with cancer.
It’s a sweet way to recognize a teacher, coach, friend, coworker, host or anyone else you’d like to surprise this Halloween — without giving them one more thing they don’t need.
Give a BOO. Give back. Help fund research.
Download the Donation in Your Honor Tags
Why BOO Kids’ Cancer?
Behind all the Halloween fun is an important reason we’re doing it.
Kids with cancer still need better, safer treatments developed specifically for them. That’s why St. Baldrick’s funds research across childhood cancers and every stage of discovery — from promising ideas in the lab to clinical trials that can change the way kids are treated.
Because childhood cancer research isn’t only about helping kids survive.
It can mean another birthday.
Another Halloween costume.
Another soccer game, sleepover or family vacation.
More ordinary days filled with school, friends, laughter and growing up.
It means helping give kids with cancer more childhood — and more of the future they deserve.
So, this Halloween, turn a little fun into something more.
Build a basket. Add a tag. Make a gift in someone’s honor.
However you choose to do it, you can help spread the word about the research kids with cancer need.

