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Writing Prompt Generator: Story Ideas by Genre

Pick a genre and who it is for; get ten original writing prompts, each a situation with a character, a want and a problem, ready to start.

Free to try — sign in when you generate.

A real run

What was entered

Genre
Mystery
For
Children 8–11
A theme or word to include (optional)
a lost key

What came back, unedited

1. Priya, age nine, is the only one who noticed that the brass key to the school garden shed went missing the same morning the sunflowers started growing in a perfect spiral. She wants to find the key before the garden club meeting on Friday, but her best friend Marcus insists the key never existed at all. The story opens when Priya finds a single muddy footprint beside the empty hook. Who left it, and why is it shaped like no shoe she has ever seen? 2. Tomas lives above his grandmother's bakery in a seaside town, and every summer the tourists ask about the locked blue door at the end of the pier. He wants to open it before his cousin Lena visits, because he promised her a real adventure. The trouble is that the only key washed out to sea in a storm forty years ago, or so everyone says. The story begins the morning Tomas pulls a rusted key from the belly of a fish his grandmother is about to fillet. Could this be the one, and who else in town has been waiting for it? 3. Ada is spending the holidays with her aunt, who runs a dusty museum of clocks in an old mill. Ada wants to wind the enormous clock in the tower, which has been silent since before she was born, but the winding key is nowhere in the building. Her aunt says the key is "exactly where it belongs," which is no help at all. The story opens when every clock in the museum chimes at once at three in the afternoon, something they have never done before. What are they trying to tell her? 4. Ben and his twin sister Nia found a tiny silver key in a bird's nest that fell from the oak tree in their yard. Ben wants to return it to its owner, while Nia wants to find whatever it opens. Neither of them knows how a key got into a nest in the first place, and the birds are not saying. The story begins when the same bird lands on their windowsill, clearly waiting for them. Where does it want them to go? 5. Leo's new neighbour, Mrs. Okafor, has a wooden box on her porch that she cannot open, and she has offered Leo a whole summer of lemonade if he can help. He wants to solve it because nobody in his family thinks of him as the clever one. But the box has no keyhole, just a carving of a lighthouse, and the only lighthouse nearby closed years ago. The story opens when Leo visits the lighthouse and finds a fresh set of keys hanging on the door. Who left them, and are they meant for him? 6. Samira collects keys the way other kids collect stickers, and she has 147 of them hanging on her bedroom wall. She wants to find the one that fits the tiny locked drawer in the desk her parents bought at a yard sale. The problem is that someone keeps rearranging her keys at night, and her little brother swears it is not him. The story begins when she wakes up to find her collection arranged into the shape of an arrow pointing out the window. What is out there? 7. Jun is the youngest person ever to join the Harbourside Library's volunteer crew, and he wants to prove he is responsible. On his first day, the head librarian hands him a ring of keys and says, "Whatever you do, don't lose the green one." By the end of his shift, the green key is gone. The story opens as Jun retraces his steps and finds a note in the returns bin that reads, "Looking for something?" Who wrote it, and how do they know? 8. Rosa's family just moved into a farmhouse where every door has a different lock and only one key hangs in the kitchen. She wants to find her way into the attic, where she is sure the previous owners left something behind. But the attic door is the only one the kitchen key does not fit. The story begins when Rosa hears a soft knocking from above and realises it is knocking in rhythm, like a code. What is it sp

Run on 2026-11-04 through this page’s own request, once per language; nothing edited.

How it works

  1. 1
    Pick a genre and who is writing
  2. 2
    Add a theme if you have one
  3. 3
    Choose one and write for ten minutes without stopping

FAQ

Can teachers use these in class?

Yes; choose “Children 8–11” or “Teenagers” and the prompts suit the age, with no violence or romance for children.

Are the prompts original?

Yes; they avoid characters and worlds from existing books, films and games, so what you write from them is your own.

Who owns what I create?

You do. We never train models on your work.

Is it free to try?

Yes — new accounts get free credits. Generating signs you in; paid plans add more monthly credits.

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