Hour of Code

Join over 1,000,000 Grokkers from around the world and do an hour of code! No experience required.

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Suitable for Grades 3-12. Pick a fun activity and get started!

Monster Maker! (Blockly)

Use drag-and-drop blocks to write your own programs, learn about sequence and ordering, and create fun monster characters!

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Animal Classifier (Python)

Learn about the differences between animals, and how Biologists use programming to help them do science! You'll use the programming language Python to classify animals based on their characteristics.

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Cyber Security: Defence Against the Dark Hats

This Cyber Security Mini course is a short introduction to staying safe online. You'll learn about secure passwords, phishing, security settings, social media and more!

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Is Eliza Human? (Python)

Use the programming language Python to build a friendly chatbot called "Eliza". Can she fool your friends into thinking she's a human?

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Flags of the World (Python Turtle)

Use the programming language Python and instruct a turtle to draw flags from around the world! How many countries do you know?

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Cyber Live!

A Navy captain is held captive inside his ship. A major landmark has gone dark. And weapons are pointed at Sydney’s busiest sites… It’s all connected, and it’s up to you to free the captain, track down the culprit, and stop them. Students will need to trace clues, solve puzzles, and figure out how to stop a large scale simulated cyber attack before it’s too late.

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Image Magic with Python

Use the programming language Python to make speedy changes to images. Make fun image editing programs and make your own image filter!

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Frozen Fractals (Python Turtle)

Use the programming language Python and instruct a turtle to draw fantastic snowflakes with code! Brrr, is it getting cold in here?

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Frozen Fractals (Blockly Turtle)

Build programs using friendly blocks and instruct a turtle to draw fantastic snowflakes with code! Brrr, is it getting cold in here?

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Virtual Pet (Python micro:bit)

Get started with the BBC micro:bit. Use the Python programming language to make a pet that you can feed and play with! No micro:bit required.

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Virtual Pet (Blockly micro:bit)

Get started with the BBC micro:bit. Use friendly blocks to make a virtual pet that you can feed and play with! No micro:bit required.

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Hydrangea Danger (Blockly Turtle)

This activity is designed to introduce branching. Use the Blockly version of Python and its turtle module to draw and colour hydrangea flowers!

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Emoticon Madness (Python)

Ever wanted to create your own emoticon? Use the programming language Python to explore emoticons and text manipulation.

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Space (Blockly Python)

Use the visual programming language Blockly to investigate space and reach for the stars.

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Disease Epidemic (Python)

Use the programming language Python to model a disease outbreak. Can you solve the curious case of the glowing nose?

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The Dark Tunnel (Python)

Use the programming language Python to create a simple game (or MUD). Can you find your way through the dark tunnel?

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Teach an Hour of Code today!

Track student progress

Register your students for free accounts so you can track ther progress on our state-of-the-art teacher dashboard. Get quick updates at a glance, or drill down to see submissions.

Teacher notes included

Teacher notes are embedded in the tutorials providing a relevant guide right where it’s needed. We also provide lesson plans with fun unplugged activities!

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