Do christians believe in all fairytales, or is it just the one?

They do seem a little picky about what they decide to pretend.

Christianity is made up of thousands of fairy tales, some made up, most stolen from a number of other cultures, as recorded in the "OT" and later in the "NT".

Fairytales are easily proven to be made-up stories to entertain Christian children and atheist adults. But Jesus is very real. We have an abundance of evidence for his divinity. 

That's the best you've got?  Pathetic effort.

Different, individual Christians
believe a dizzying array
of different hypotheticals.

--
Regards,

John Popelish

No, especially the one atheists believe in as described below.

They actually believe that someone could actually write a book chocked full of miracles that never happened, performed by people who never existed, and start a religion of people by the thousands willing to die rather than renounce their new leader. It’s the same as if they claimed someone could take the book “Harry Potter” and start a religion comparable to Christianity, even if the book included a line like the following:

“Therefore, Harry did many other miraculous feats in the presence of his friends and neighbors, which are not written in this book, but these are written, that you may believe that Harry is a real wizard, the Son of God, and that believing you may have life in his name” (ref Jn 20:30-31).

Incredible as it may seem, athee-evos actually believe something like that happened about 2000 years ago! And they claim Christians are the ones who believe in fairy tales?! How ridiculous. Obviously the only logical explanation is that those miracles in the Bible really did occur, proving it the word of God.

Such a childish question.  It belies the vaunted atheist "superior intelligence."

Christians accept only God's truth. All untruth is rejected, including fairytales.

I couldn't possibly provide a better answer than David at Your Service did 🙂
 
Wow, David!   You put into a few brief words one powerful, knockout punch of an answer, AND it's a answer I've been trying to frame for years.  A tip of my 👒 chapeau👒 to you, friend 🏅

Some do, some don't. 
I'm sure can list most of them; 

Aaru
Andlang
Arcadia (utopia)
Ōmeyōcān
Bosom of Abraham
Burotu
Celtic Otherworld
Degrees of glory
Devaloka
Elysium
Empyrean
Fólkvangr
Fortunate Isles
Garden of Eden
Garden of the gods (Sumerian paradise)
Gimlé
Heaven
Hesperides
Hyperuranion
Jade Books in Heaven
Jannah
Kasanaan
Mag Mell
Paradise
Pialral
Seven Heavens
The Summerland
Svarga
Tamoanchan
The Book of Giants
Tír na nÓg
Uçmag
Vaikuntha
Valhalla
Víðbláinn
Vingólf
Vyraj

What we believe of the past doesn't matter. You can believe we all come from space for all I care. What matters is what you do with your belief to affect the present. I never understood why so many people insist on mocking Christians and calling their beliefs a "fairytale".
Sure, I find it hard to believe the sea was parted, but I don't take time out of my day to remind people their mentality makes no sense to me. It just seems petty. It makes you redundant and you're wasting your time.