Launched in 2013, Hour of Code is an initiative to introduce young people to computer science using fun one-hour tutorials. To date, over 100 million young people have completed an hour of code with it.
Although the Hour of Code website is accessible all year round, every December for Computer Science Education Week people worldwide run their own Hour of Code events. Each year we love seeing many Code Clubs, CoderDojos, and young people at home across the community complete their Hour of Code. You can register your 2022 Hour of Code event now to run between 5 and 11 December.
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To support your event, we have pulled together a bumper set of our free coding projects, which can each be completed in just one hour. You will find these activities on the Hour of Code website.
There’s something for all ages and levels of experience, so put an hour aside and help young people make something fabulous with code:
For younger creators new to coding, a Scratch project is a great place to start.
With our Space talk project, they can create a space scene with characters that ‘emote’ to share their thoughts or feelings using sounds, colours, and actions. Creators program the character emotes using Scratch blocks to control graphic effects, costume animation, and sound effects.
Alternatively, our Stress ball project lets them code an onscreen stress ball that reacts to user clicks. Creators use the Paint and Sound editors in Scratch to personalise a clickable stress ball, and they add Scratch blocks to control graphic effects, costume animation, and sound effects.
We love this fun stress ball example sent to us recently by young creator April from the United States:
Another great option is to use Code Club World, which is a free tool to help children who are new to coding.
For 7- to 11-year-olds who are more comfortable with block-based coding, our project Broadcasting spells is ideal to choose. With the project, they connect Scratch blocks to code a wand that casts spells turning sprites into toads, and growing and shrinking them. Creators use broadcast blocks to transform multiple sprites at once, and they create sound effects with the Sound editor in Scratch.
We have three exciting projects for trying text-based coding during Hour of Code in this category. The first, Anime expressions, is one of our brand-new ‘Introduction to web development’ projects. With this project, young people create a responsive webpage with text and images for an anime drawing tutorial. They write HTML to structure the webpage and CSS styles to apply layout, colour palettes, and fonts.
For a great introduction to coding with Python, we have the project Hello world from our ‘Introduction to Python’ path. With this project, creators write Python text-based code to create an interactive program that shows text and emojis based on user input. They learn about variables as they use them to store text and numbers, and they learn about writing functions to organise code and do calculations, retrieve the current date and time, and make a customisable dice.
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LED firefly is a fantastic physical making project in which young people use a Raspberry Pi Pico microcontroller and basic electronic components to create a blinking LED firefly. They program the LED’s light patterns with MicroPython code and activate it via a switch they make themselves using jumper wires.
For 11- to 14-year-olds who are already comfortable with HTML, the Flip treat webcards project is a fun option. With this, they create a webpage showing a set of cards that flip when a visitor’s mouse pointer hovers over them. Creators use CSS styling and animations to add interactivity, then they customise the cards with fancy fonts and colour gradients.
Young people who have already done some Python coding can try out our project Target practice. With this project they create a game, using the p5 graphics library to draw a colourful target, and writing code so that the player scores points by hitting the target’s rings with arrows. While they create the project, they learn about RGB colours, shape positioning with x and y coordinates, and decisions using if, else-if, and else code statements.
Our project Charting champions is a great introduction to data visualisation and analysis for coders aged 15 and older. With the project, they will discover the power of the Python programming language as they store Olympic medal data in lists and use the pygal library to create an interactive chart.
Teenage coders who feel comfortable with Python programming can use our project Solar system simulator to code an animated, interactive solar system model using the Python p5 graphics library. Their model will be interactive, as they’ll use dictionaries to store planet facts that display when a user clicks on an orbiting planet.