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A 12-year-old boy in Texas has shot to the top of Santa's "Nice" list.

Rather than list off any toys he wanted for Christmas this year, Arnulfo Guerra Jr. of Texas wrote a letter to Santa asking for a "healthy heart" for his mother, Santos, who is in need of a transplant.

The local Channelview Fire Department received the letter from the boy's school and surprised him with a new bicycle and some other toys to show their appreciation of the boy's gesture.

The letter read:

Dear Santa,

I believe in you and the miracles, Santa I don't want toys for me, only I want a [healthy] heart for my mom, she's sick, her diagnostic is transposition of the great [arteries] (T.G.A). I'm sad for her she's 46 years and I only 12, next March 18 I will be 13 teen, we need her for many years more, me and my Dad pray all days for mom. Only I want is to see my mom [healthy] and happy.

Thanks Santa,

Love you!!

According to Arnulfo's dad, Arnuflo Guerra Sr., Santos has been on the waiting list for a heart donor for one year. Doctors expect the wait will be at least five years, local ABC affiliate KTRK-TV reported.

"It was pretty heartwarming," said Channelview Fire Department Captain Justin Wischnewsky. "All he wanted for Christmas [was] for his mom to be okay."

Watch the above news report, and share your thoughts on this fire department's kind Christmas gesture.

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