By Hamcodes · hamcodes.com

Code with confidence.
Stay safe online.

Free games, a hands-on web course, and books that take secondary students from zero to building real things. Written so parents and teachers with no tech background can teach it too.

No experience needed Free safety game Free workbook

Play the free games Get the free workbook

Hi! Let’s build a bot. The Build-A-Bot robot walking and waving hello

The books they learn from

Coding for Kids My First Code · Ages 5+

Coding for Teens My First Code · Ages 9+

Build-A-Bot Robotics and Arduino · Ages 7 to 15

Free · 4 games · Play in your browser

Learn it by playing it.

Four quick chat-style story games. Step into real situations, make the netizen call, and learn as you go. No sign-up, no download.

Phishing & scams Inbox Invaders

Spot fake prizes, sketchy links, and urgent scams before they get you.

Play

Internet safety Guardians of the Login

Strong passwords, 2FA, safe WiFi, and app permissions done right.

Play

The Footprint That Followed You game cover

Digital footprint The Footprint That Followed You

Everything you post leaves a trail. Learn to write it on purpose.

Play

Digital wellness The Endless Scroll

Beat the doomscroll: sleep, balance, and screens on your terms.

Play

Play all the games

For Parents

Keep up with what your teenager is doing online, and guide them through coding at home. No coding background required.

For Teachers

Ready-made lessons, worksheets, and a teacher's edition to start computer science in any secondary classroom.

For Students

Real computer-science skills through games, web projects, and hands-on robotics. Ages 11 and up.

Free · Play in your browser

The Cyber-Safety Story Game

Step into real-life online scenarios and make the choices. Spot scams, phishing, and risky situations the fun way. No sign-up, no download.

Internet Safety · Real-Life Scenarios

Best on a laptop or tablet. Click "Start the course" and role-play your way through the app called Cybr.

Free · Print and teach

The Digital Netizenship Workbook

A complete internet-safety workbook plus 5 classroom-ready worksheets. Peek inside below, then grab it free.

Swipe to peek inside the workbook

Digital Netizenship Workbook (PDF)
Clickbait and Phishing worksheet
Recognizing and Avoiding Scams worksheet
Scenario-Sorting worksheet
Internet-Safety Crossword
Course-Review sheet

Unlocked. Your downloads are ready below.

Digital Netizenship Workbook Download

Clickbait and Phishing Download

Avoiding Scams Download

Scenario Sorting Download

Crossword Download

Course Review Download

Free · 32 lessons · No sign-up

The Digital Citizen

Learn to build real web pages, and see every single one appear as you type. Made for complete beginners, ages 11 and up.

4 sections, 32 lessons, nothing to install. Start the course

1A page you can seeYour first heading, colours and a button that works.

2Your first real pageLists, links, boxes and a link-in-bio page you keep.

3Make it moveA little JavaScript: clicks, counters and colours.

4Be a good netizenBuild a "Stay Safe Online" mini-site of your own.

Start here: Section 1 Play it right on this page

Section 1 is playable above. Progress saves by itself and carries over.

Open all 4 sections

On Amazon

The Hamcodes Book Series

Beginner-friendly coding and robotics books, written so anyone can teach and anyone can learn.

Coding for Kids

My First Code

Ages 5+

A playful first step into code, from Scratch to friendly bots with code.org. Big pictures, simple steps, zero jargon.

View on Amazon

Coding for Teens

My First Code

Ages 9+

The next level up, with real projects, deeper logic, and the confidence to build. From Scratch to bots and beyond.

View on Amazon

Robotics · STEAM

Build-A-Bot

Ages 7 to 15

Hands-on robotics for young makers, with 3D design, coding, and Arduino projects that actually move, light up, and beep.

View on Amazon

Coding for Educators

Teacher's Edition

For teachers

Never coded before? Teach it anyway. Lesson plans, classroom activities, and everything you need to lead CS with confidence.

View on Amazon

From the Hamcodes blog

Read up before you teach it

Plain-English guides on online safety, computer science and money, written for students, parents and teachers starting from zero.

Digital Netizenship

Staying safe, private and decent online.

See all 6 posts

Latest

7 Dec 2025 Digital Netizenship: 11 Skills for Staying Safe and Smart Online

The eleven habits that separate a good netizen from an easy target, from privacy settings to spotting manipulation.

Read the post

25 Oct 2025 Recognize and Avoid Scams

The red flags that give a scam away, what counts as sensitive data, and what to do when a message feels off.

Read the post

25 Oct 2025 Improve Your Cybersecurity

Small daily habits that keep a phone and a laptop out of trouble, explained without a single piece of jargon.

Read the post

Hacking & Coding

Computer science made teachable, from blocks to functions.

See all 18 posts

Latest

6 Apr 2025 Functions in Coding. A Beginner-Friendly Guide for Teachers and educators

What a function actually is, why it makes code shorter, and how to teach it using Minecraft and Scratch.

Read the post

25 Mar 2025 Teaching Conditionals in Coding: A Guide for Educators

How to explain if and else to a class that has never coded, using the choices students already make every day.

Read the post

20 Mar 2025 Teaching Loops in Coding: A Guide for Educators

Loops turn twenty blocks into three. A classroom-ready way to show students why repetition is so powerful.

Read the post

Financial Literacy

Money skills every young person leaves school needing.

See all 30 posts

Latest

7 Dec 2025 The Upside of Frugality: How Small Savings Become Big Gains

A penny saved can be worth far more than a penny earned once you understand the time value of money.

Read the post

30 Nov 2025 Bull vs Bear Markets: Stock Market Terms Every Investor Should Know

Bull, bear, correction, index. The stock-market vocabulary to learn before putting in a single dollar.

Read the post

30 Nov 2025 What Is a Credit Score? How It Works, Ranges, and Why It Matters

What the number actually means, what pushes it up and down, and why it decides the price of borrowing.

Read the post

Browse every article on hamcodes.com

New articles are published on hamcodes.com. These are the three most recent from each series.

New · For the years after school

Bro, nobody told me.

A book for students who just left school and are working out what happens next. Money, first jobs, picking a direction, dealing with people. Written as a conversation, because that is how it started.