This dad turned his daughter’s due date into a full-blown baby bracket challenge—and TikTok is loving every over-the-top detail.

You can wear it over the PICC lines and then it doesn’t get caught as easily or and you can play more and stuff,” Abby said.

Twelve-year-old Abby Martin is battling leukemia, but has used her treatment as a way to help others in the same fight.