Knowledge Base.

Using Cubelets Software and Apps on Restricted Networks

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If you are having trouble getting Cubelet Console or the Cubelets mobile app to work when on a network that may have access restrictions (such as schools, businesses, or government), this information may be of help to your IT or tech team.

URLs, protocols and ports that need to be whitelisted:

Our tech team suggests that your IT verifies that WebSocket connections are permitted to compile on port 80. Websockets are a special type of http connection and some firewalls require specific configuration to permit these connections.

Occasionally we’ve seen “Layer-7 Firewall” prohibit WebSocket communications.

Still have questions?  We’d love to help! You can always reach us at

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Table of Contents


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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