Pick a path and follow the lessons step by step. Each one ends with a project, a quiz, and your CodexLab certificate.
Picture-led computing for ages 5 to 7: input and output, sorting data, pixels and patterns, and safe habits online. Every activity links to how a real computer works.
Start with Computer Input and Output, then Sort Pattern and Pixels, then Safe Computing.
How you send commands in, and the computer shows answers out.
Six computing topics for pre-readers: the screen as output, tap as input, mouse or finger pointers, power on and off, picture with sound ou…
1 hands-on lab to try
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about 1 hr · 6 lessons in this path
Classify, sort, repeat and paint like a computer.
How computers organise data: classify same and different, sort by colour, compare size on screen, match icon shapes, build AB patterns that…
4 hands-on labs to try
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about 1 hr · 6 lessons in this path
Kind, careful habits for young computer users.
Digital citizenship for class 1 to 2: adult supervision, hardware care, kind online communication, privacy before sharing, fair device shar…
2 hands-on labs to try
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about 1 hr · 6 lessons in this path
A computer is a machine that follows instructions exactly. Start with robot plans and patterns, then try maps, daily routines and kind screen habits. No typing needed.
Start with Computers Without Code, then try Patterns and Predictions.
Give the robot a plan and watch it run.
Eight topics with nothing to type.
5 hands-on labs to try
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about 2 hr 23 min · 8 lessons in this path
Spot the repeat, guess what comes next.
Nine topics on patterns before formal loops.
1 hands-on lab to try
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about 2 hr 15 min · 9 lessons in this path
Read the map, plan the route, reach the treasure.
Nine topics on spatial thinking: directions, map symbols, grid movement, obstacles, landmarks and planning a full route.
5 hands-on labs to try
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about 2 hr 15 min · 9 lessons in this path
Recipes, routines and rules you already follow.
Nine topics that treat daily tasks as algorithms: recipes, morning routines, packing, drawing, cleaning, fair sharing, game rules and weekl…
1 hands-on lab to try
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about 2 hr 15 min · 9 lessons in this path
Kind, careful and rested online.
Nine topics on light digital citizenship for ages 8 to 10: screen balance, safe clicking, kind words, privacy basics, photos, passwords and…
1 hands-on lab to try
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about 2 hr 15 min · 9 lessons in this path
Open the box: bits and logic inside the machine, then follow a search across the internet and learn passwords, phishing checks and kind behaviour online.
Start with How a Computer Thinks, then How the Internet Works, then Staying Safe Online.
Start with a switch. Finish with a working processor.
Six topics that take you from a single on-or-off bit to a machine running a program on its own, plus what is inside your device and why sof…
4 hands-on labs to try
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about 2 hr 24 min · 6 lessons in this path
Follow a search from your screen to a server and back.
Six topics for class 6 to 8: what a search really does, home Wi-Fi, how names become numbers, how packets hop across the world, what the br…
2 hands-on labs to try
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about 1 hr 41 min · 6 lessons in this path
Passwords, tricks, permissions and kindness.
Six topics that match what schools teach in digital citizenship: strong passwords, thinking before you post, spotting phishing, checking so…
4 hands-on labs to try
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about 1 hr 37 min · 6 lessons in this path
Split problems apart, see how pictures and sound become numbers, and learn what AI chatbots really do, with honest limits and school-friendly examples.
Start with Think Like a Programmer, then Pictures, Sound and Files, then How AI Guesses.
Split problems, trace code, backtrack, then type.
Six topics for class 9 to 10 before any language syntax: break tasks apart, picture variables as boxes, trace on paper, backtrack in mazes,…
3 hands-on labs to try
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about 1 hr 44 min · 6 lessons in this path
RGB grids, wave samples and smaller files.
Six topics on how media becomes numbers: pixels, mixing RGB light, resolution, sampling sound, video as frames, and why compression shrinks…
4 hands-on labs to try
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about 1 hr 45 min · 6 lessons in this path
Tokens, patterns, training and honest limits.
Six topics on chatbots for class 9 to 10: tokens, clear prompts, next-word guessing, training at a high level, honest limits, and using AI…
2 hands-on labs to try
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about 1 hr 43 min · 6 lessons in this path
Data structures, algorithms and the cost of a decision measured rather than asserted. The summit of the ladder, still taught with animations you control.
