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ONE CURIOUS THEME. THREE FREE AGE VERSIONS.

Free Paper Computer Engineering printables

No screen. A whole computer to figure out.

Choose the version that fits your child today. Start with coloring, share an early activity, or settle into a bigger investigation. Every complete pack is free in US Letter and A4.

Age ranges are a starting point. Follow your child’s interests and comfort, and explore together. No account or email form is needed.

AGES 2–4 · COLORING ONLY

Little Computer Coloring

Eight coloring-only pages with bold outlines, roomy shapes and a friendly theme character. Drawings are simplified pictures and pretend characters, not scientific diagrams.

8 printable pages · 8 coloring pages

Offer one page at a time and follow the child's interest. Stop whenever they are ready.

The complete ages 2–4 pack

Free PDFs. Choose the paper size in your printer.

Choose another age
An axolotl and a computer, ages 2-4, from Little Computer Coloring
PAGE 1

An axolotl and a computer

A real page from the coloring-only pack.

A computer screen, ages 2-4, from Little Computer Coloring
PAGE 2

A computer screen

A real page from the coloring-only pack.

Ready to print and color

Print any page in portrait on the matching paper size. Coloring only: there are no puzzles, tracing tasks, cutting pieces or expected answers. Scribbling and coloring outside the lines are welcome.

What you’ll need

  • The printed pages
  • Chunky crayons
  • A grown-up nearby

All 8 pages, in print order

  1. An axolotl and a computer
  2. A computer screen
  3. Big keyboard keys
  4. A computer mouse
  5. Little memory drawers
  6. A friendly robot
  7. A paper message
  8. A printer and paper
AGES 4–6 · EARLY ACTIVITIES

Little Computer Explorers

Sixteen paper-computer activities for ages 4-6: match parts, send picture messages, remember a symbol, follow short directions, and invent a pretend machine. Includes two grownup pages.

18 printable pages · 16 activities + 2 grown-up support pages

About 5-10 minutes per activity, at your child's pace

The complete ages 4–6 pack

Free PDFs. Choose the paper size in your printer.

Choose another age
Hello, little computer explorer!, ages 4-6, from Little Computer Explorers
PAGE 1

Hello, little computer explorer!

A real page from the read-aloud activity pack.

Deliver a picture message, ages 4-6, from Little Computer Explorers
PAGE 10

Deliver a picture message

A real page from the read-aloud activity pack.

Ready to print and explore

Print at actual size on US Letter or A4. Black-and-white friendly. Use a finger or crayon; no cutting, glue, computer, or independent reading is needed.

What you’ll need

  • Printed pages
  • Crayons or a pencil
  • A grownup to read and talk together

All 18 pages, in print order

  1. Hello, little computer explorer!
  2. Find the computer pairs
  3. We tell it; it shows us
  4. Follow the picture message
  5. Press a shape, show a shape
  6. Two tiny directions
  7. Put the story in order
  8. Save this picture
  9. Remember and find
  10. Deliver a picture message
  11. Tell it or show it?
  12. Keep the message in order
  13. Find the broken route
  14. One press, one picture
  15. Choose the next direction
  16. Invent a paper computer
  17. A little guide for grownupsGrown-up support page
  18. Answers and conversationsGrown-up support page
AGES 7–10 · THE FULL INVESTIGATION

Paper Computer Engineering: ages 7–10

No screen. A whole computer to figure out.

Two axolotl engineers need someone to operate their paper machine. Cut the instruction cards, move values through a working box and memory slots, and test what happens next. Explore bits and logic gates, follow a branch, fix a program, route paper messages and investigate a simple error check. You are the person who makes the model run.

24 printable pagesAges 7–10Black & white

20 activity pages + 4 guide, answer and reference pages.

The complete bundle. Completely free.

US Letter (8.5 × 11 inches) is ready for your home printer. A4 is also available. No email form. No separate MomoMango account.

Just the coloring sheet (PNG)Choose another age
Two axolotl engineers operating a cardboard computer with instruction cards and memory drawerslittle people, wonderfully big ideas ♡
TAKE A LOOK INSIDE

A few pages from the bundle.

Preview real pages before you print.
Preview of Paper Computer Engineering from Paper Computer Engineering
PAGE 1

Welcome to the axolotl computer lab

Gather the supplied paper parts and choose your first lab visit.

Preview of Build your machine board from Paper Computer Engineering
PAGE 3

Build your machine board

Keep this board to run instructions with a working box, memory slots and an output record.

Preview of Connect a two-gate rule from Paper Computer Engineering
PAGE 10

Connect a two-gate rule

Follow NOT and AND in sequence, then test every pair of input values.

EVERY PAGE, BEFORE YOU DOWNLOAD

A whole bundle of things to try.

Build the paper machine first, then return for short programs and debugging challenges. Print the pages you need, and follow the numbered sequence for activities that build on earlier results.

Print single-sided. Keep the machine board and reusable cards together for later activities. No electronics or glue are needed.

Gather a few simple things.

  • The printed pack
  • A pencil and crayons
  • Child-safe scissors
  • A grown-up to help with reading and cutting

All 24 pages, in print order

  1. Paper Computer EngineeringSupport page
  2. Meet the paper-machine team
  3. Build your machine board
  4. Make the reusable card kit
  5. Flip a two-state tile
  6. Four bits, sixteen numbers
  7. NOT changes the bit
  8. AND needs both
  9. OR welcomes either
  10. Connect a two-gate rule
  11. Save a number. Get it back.
  12. Run six small instructions
  13. Put the program in order
  14. Follow a branch
  15. Find the wrong memory slot
  16. Write a program with a goal
  17. Route an addressed packet
  18. Rebuild the pond message
  19. Add a parity check
  20. Can the check miss a change?
  21. Open the paper-computer lab
  22. For the grown-upSupport page
  23. Answers: activities 1-10Support page
  24. More answers and sourcesSupport page
A PAGE IS JUST THE BEGINNING

A few little ways
to play.

Start with the printable. See where their imagination takes it.

01

Take turns being the processor

One person reads an instruction while the other moves the paper values. Swap roles and check whether the same instructions produce the same result.

02

Make the mistake useful

When a program gives the wrong result, keep the trace. Find the first step where the expected and actual values differ.

03

Deliver a paper message

Use the addressed packet activity to send and reassemble a message. Explain why the destination and ordering information matter.

Easy on your printer. Ready for their crayons.

Use the PDF that matches your paper, print in portrait, and check the preview before you start. Choose “Fit to printable area” if your printer clips the edges. Read our printing guide.

This theme has separate packs for ages 2–4, 4–6 and 7–10. Choose the pages that suit your child. Find a comfortable level.

Two axolotl engineers operating a cardboard computer with instruction cards and memory drawers
imagine their next adventure ♡
THEIR CURIOSITY. THEIR OWN ADVENTURE.

What if your child joined the axolotl computer crew?

Take this interest into a personalized coloring storybook starring your child and their people. Your story idea will be waiting in the studio. The free activity bundle stays available here whenever you need it.

Start their coloring storybookThe studio currently uses sample artwork. Live personalization and print ordering are coming with connected services.
GOOD LITTLE QUESTIONS

A few things you
might be wondering.

Which age version should I choose?

The ages 2–4 pack contains eight coloring pages only. The ages 4–6 pack has sixteen early activities and two grown-up support pages. The ages 7–10 investigation has twenty activities and four support pages. Preview each version above and choose what fits your child's interests and comfort today.

Is this another pixel-art bundle?

This sequence focuses on a paper computer, memory, instructions, logic gates, debugging and messages. GPU Pixel Factory explores pixels and parallel work; the two packs teach different ideas.

Does the model work like a real computer?

It models selected ideas with paper cards and a person following rules. The guide explains what is simplified. It is not an electronic computer, and its steps do not represent real processor timing.

Can we personalize the computer adventure?

The separate studio can start an illustrated coloring storybook with your child helping a fictional axolotl computer crew. The free engineering activities stay ready-made.

What am I allowed to do with these free printables?

Print and enjoy them with your family, your classroom, or at a non-commercial event. You may not resell the artwork or redistribute the files as your own. Share this page’s link so other families can download their own copy.

Do I need to upload a photo or enter my email?

You do not need to upload photos or complete an email form for these packs. They download directly from this page. The separate book studio saves your family profiles and stories.

ANOTHER LITTLE ADVENTURE?

There’s more to color.

All free printables