Diogo Peralta Cordeiro
Cover of Little Coders by Diokin Owl and Diogo Peralta Cordeiro

Published · Diokin Owl

Little Coders

A Screen-Free STEM Coloring & Activity Book for Kids Ages 4–8

A playful introduction to coding, robots, algorithms, loops, binary, pixels, networks and password safety, made for crayons, pencils and shared discovery instead of another screen.

  • 24 tech friends
  • 9 coding missions
  • Ages 4–8
  • 4 languages

Paperback · Published independently in 2026

Four editions · Four free previews

Choose a language.

Each edition uses language and terminology suited to its readers. You can open a sample before choosing the book.

What is inside

Computer science before syntax.

The activities introduce sequencing, pattern recognition, logic, iteration, safe technology use and inventing for others without requiring prior knowledge.

Color

Friendly robots, devices, networks and computing concepts designed as inviting single-sided pages.

Think

Accurate, child-friendly facts connect each picture to a real computer science idea.

Move

Unplugged missions use stories, movement and everyday routines to make algorithms tangible.

Create

Open-ended prompts encourage children to test ideas, try again and invent technology for good.

Diokin Owl

A small publishing project for curious children.

Diokin Owl is the name I use for children's books. Little Coders also credits me, Diogo Peralta Cordeiro, as a contributor.

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