Rainy Day Projects

Secret Identity Case File Dossier

Children at this age are ready for pretend play that has internal logic — they want their imaginary worlds to be consistent and detailed. A classified dossier gives them a structure to invent a hero from the inside out: the ordinary cover identity, the secret powers, the weakness, and a case they have already solved. You end up with a small booklet they have written and drawn themselves, which often becomes a springboard for solo play, more writing, or a series.

Ages
8–10
Time
55 min
Adult help
Light adult help
Mess
Low mess

Before you start

Before the child arrives, fold three or four sheets of paper in half and staple or fold-and-tuck them into a small booklet — eight to twelve pages is plenty. On the first page, stamp or write 'CLASSIFIED' in large letters (this is the one moment a permanent marker makes sense for an adult-labeled part, but a thick washable marker works too). Lightly pencil in section headings on the interior pages: 'Cover Identity,' 'Powers and Limits,' 'Known Weaknesses,' 'Case File #001.' Leave all the space blank below each heading. When the child arrives, tell them an anonymous tip came in that they are the only one who can fill out this dossier. Most children this age dive straight into powers and need gentle nudging to fill in the cover identity and weakness — those are the sections that make the play feel rich later. The activity stalls if they feel they have to draw well; reassure them the dossier uses rough field sketches, not finished art. It winds down naturally when the case file section is complete; some children will immediately start a second dossier.

You will need

  • White printer paperFour sheets folded to make a booklet
  • Stapler or binder clipTo hold booklet pages together
  • Washable markersFor cover art, section color-coding, and field sketches
  • Pencil with eraserFor writing and revising — they will want to change their mind on powers
  • Permanent markeroptionalAdult writes CLASSIFIED on the cover only; cap and remove before handing to child

    Use the permanent marker yourself for the cover label only, then recap it and set it aside before the child sits down.

  • RuleroptionalFor drawing borders and tables in the dossier
  • Rubber stamp or stickeroptionalAny shape to act as an 'official seal' on the cover

Steps

  1. 1

    Prepare the booklet

    Fold and staple four sheets into a twelve-page booklet. Write 'CLASSIFIED' on the cover yourself. Lightly pencil section headings on inside pages: 'Cover Identity,' 'Powers and Limits,' 'Known Weaknesses,' 'Case File #001.' Leave all writing space blank.

    Tip: Pencil the headings lightly so the child can trace over them in marker to make them feel official.

  2. 2

    Deliver the dossier

    When the child sits down, slide the booklet across the table and say: 'An anonymous source confirmed a new hero is operating in this city. This dossier needs to be completed and filed today. You are the only cleared agent.' Give them a pencil and let them open it.

    Tip: Don't over-explain — the blank pages prompt questions, and questions drive the play.

  3. 3

    Guide the cover identity section

    If they jump straight to powers, steer them back: 'Every hero has a regular life no one suspects. What does this hero do when they are not saving anyone?' The cover job, the hero's age, and one ordinary habit make the character feel real and give the rest of the dossier stakes.

    Tip: Ask 'what does a normal Tuesday look like for them' to prompt concrete detail.

  4. 4

    Work through powers and limits

    Once they are writing freely, introduce a constraint: 'Headquarters needs to know the limits — every power has a cost or a situation where it fails. What is theirs?' This section is where most children slow down productively. Give them time; the limitation they choose is usually the most creative part.

    Tip: If they get stuck, offer two low-stakes options: 'Does it stop working in rain, or when they are angry?'

  5. 5

    Fill in the case file

    The last section is a short account of one already-solved case: what the problem was, how the hero used their specific powers (and hit their specific limit), and how it ended. Tell them this is the evidence file — rough sketches of the scene count as evidence. Field sketches, not art.

    Tip: Prompt with: 'What went almost wrong? That's the most important part of any case file.'

  6. 6

    File and seal the dossier

    When they are done, have them sign the inside back cover as the filing agent. Press a sticker or stamp on the cover as an official seal if you have one. Say: 'Dossier accepted. Case File #001 is on record.' Tuck it somewhere designated as headquarters storage.

    Tip: Designating a physical storage spot — a shoebox, a drawer — invites them to return and start Case File #002.

Try it another way

  • For two children, give each one a dossier and then have them swap: each writes a case where their hero and the other child's hero worked together.
  • For a child who prefers drawing to writing, allow the entire dossier to be in illustrated panels with short captions — it is still a complete case file.
  • Add a coded message using a simple letter-number substitution (A=1, B=2) for the weakness section so it looks classified even if someone finds it.

What they get out of it

Children practice building a character by thinking about who that person is when nothing dramatic is happening, which is the same skill writers and game designers use to make stories feel real.

Take it to the table

Materials checklist, the steps and the variations on one Letter page.

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