Cubelets Blockly.

Meet Blockly.

Cubelets Blockly is a legacy application for block-based coding. Please consider using Cubelets Console for our most up-to-date software experience.

Cubelets Blockly Icon

Cubelets Blockly is the perfect platform to learn how to program your own robots. It’s a simple and powerful visual programming tool that gives you full control over your Cubelets® robot blocks. Create countless new robots and behaviors with parallel programming.

Cubelets Blockly is a free coding environment for your Cubelets robot blocks. Blockly is a visual programming language originally developed by Google. It forms the backbone of this powerful learning tool available for Windows, macOS, and iPad.


Begin by downloading Cubelets Blockly for your operating system:

Get started.

After installation, check out some video walkthrough tutorials to learn more about coding your Cubelets. Follow along to learn more about…

  • Variables.
  • Timing.
  • Logic.
  • Conditionals.
  • Loops and more.



Frequently asked questions.

Cubelets FAQs is your place to find answers to common questions about Cubelets robot blocks, orders, and Modular Robotics.

Contact us.

Need help, can't find an answer? Contact the Modular Robotics support team and we'll help you!

Shipping and tax policies.

Get the details on Modular Robotics shipping policies and sales tax collection for orders in the United States and around the world.

Warranty and returns.

Cubelets are backed by a one year warranty. Need to make a claim, get a replacement, or have questions? Click to get started.

Cubelets Resources.

Everything you need to teach with Cubelets robot blocks.

Explore a huge collection of K-12 lessons, activities, guides, training, and more.

New to Cubelets?

Learn everything you need to know to start creating more with Cubelets robot blocks in this handy Getting Started Guide.

Go further with Cubelets apps.

Go beyond the building blocks and play with the code inside. Cubelets apps make it easy to create even more with your Cubelets.

Looking for some inspiration?

There are millions of robots you can create with Cubelets. Check out these robots to help inspire your inventions.

Shop Cubelets.


Cubelets robot blocks are used by educators all around the world to help students explore computational thinking, coding, and STEM. 

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At Home.

Bring home the educational teaching tool loved by teachers everywhere. Explore sets designed for learning through play.

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