Knowledge Base.

I’m having trouble with my robots. Who do I contact?

You are here:

If you’re having trouble with your Cubelets or MOSS robots, don’t hesitate to reach out to our Customer Support team at

Our support team will help to troubleshoot, diagnose issues, and help process replacements for robots covered under our 1-year Warranty.

To speak with a team member, please leave us a voicemail at (720) 275-6025. Let us know the best times to reach you by phone and we’ll return your call within 2 business days (without interrupting your dinner). Email is the quickest way to get a hold of us!

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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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