Scratch

Scratch is a free visual programming language developed by the MIT Media Lab for children aged 8 to 16. Instead of typing code, you drag and connect colorful blocks that snap together like puzzle pieces. It runs in any web browser at scratch.mit.edu and also has a downloadable desktop app for Windows and macOS.

What it does

Programs in Scratch are built by dragging blocks from categorized palettes (Motion, Looks, Sound, Events, Control, Sensing, Operators, Variables) onto the scripting area. Blocks snap together vertically to form sequences. A "when green flag clicked" event block at the top starts the program. Add motion blocks to move a sprite across the stage, looks blocks to change costumes for animation, and control blocks for loops and conditionals.

Kids can create animations, interactive stories, quizzes, and simple games without writing a single line of text code. The built-in sprite editor lets you draw your own characters or pick from a library of hundreds. A sound editor handles recording from the microphone and editing audio clips. Finished projects can be shared on the Scratch website, where other users play them, leave comments, study the code, and remix it to make their own versions.

Advantages

  • Completely free with no ads or in-app purchases
  • Block based interface eliminates syntax errors that frustrate beginners
  • Active online community where kids share and remix projects
  • Works in the browser with no installation required

Drawbacks

  • Limited to 2D - no 3D graphics or advanced game features
  • Performance drops with complex projects (many sprites or large scripts)
  • Not a stepping stone to professional programming without learning text based languages next
  • The online platform requires moderation awareness for younger children

Who it is for

I found Scratch to be the best introduction to programming for kids who have never coded before. The block system teaches loops, variables, conditionals, and event handling without any frustration over typos or syntax. If your child has outgrown Scratch and wants to move to text based coding, Python with Pygame or JavaScript with p5.js are natural next steps.

Frequently Asked Questions

Is Scratch free?
Yes. Scratch is completely free with no ads or in-app purchases. It runs in any web browser at scratch.mit.edu and is also available as a downloadable desktop app for Windows and macOS.
What age is Scratch for?
Scratch is designed for children aged 8 to 16. A simplified version called ScratchJr is available for younger children aged 5 to 7 on tablets.
Can Scratch be used offline?
Yes. The Scratch desktop app works offline without an internet connection. Projects created offline can be uploaded to the Scratch website later for sharing.
What should kids learn after Scratch?
Python with Pygame or JavaScript with p5.js are natural next steps for children who have outgrown Scratch and want to move to text based programming languages.

Features & How-To Guide

# Feature How to use
1 Drag-and-drop block programming Select a block category (Motion/Looks/Sound/Events) on the left Drag blocks onto the scripts area Connect them like puzzle pieces.
2 Animation creation Add a sprite (Choose a Sprite) Use Motion blocks (glide/turn) and Looks blocks (switch costume) Run with the green flag.
3 Game creation Events "when green flag clicked" Control "if...then" + Sensing "touching edge?" Add points and win conditions.
4 Online project publishing File Share on scratch.mit.edu Other users can play, comment, and remix your project.
5 Graphics editor (character drawing) Costumes tab Use the built-in graphics editor Draw characters in vector or bitmap mode.
6 Remixing other users' projects Open another user's project on scratch.mit.edu Click See Inside Remix Edit the code and save as your own.
7 Recording and adding sounds Sounds tab Record Record from the microphone Or choose from the Scratch sound library.
8 Programming with variables and lists Variables Create a variable Use the "set [variable] to" and "change [variable] by" blocks for counting points or storing data.

Related software categories

code editor IDE text editor terminal emulator version control

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