Knowledge Base.

Cubelets Warranty – US Customers

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Our warranty covers all of our products for up to one year after your purchase date. The one-year warranty applies to any Cubelet or MOSS products purchased directly from us or from one of our verified resellers. Please note that our warranty does not cover products that were purchased secondhand, which includes 3rd Party Amazon Sellers unaffiliated with a supported vendor as well as eBay sales.

If your Cubelets or MOSS component stops working, falls in the fish tank, or gets chewed on by a bear, we’re happy to repair or replace it for you.  We reserve the right to reject Cubelets or MOSS components that have been intentionally abused. Please do not attempt to dismantle your Cubelets blocks! Doing so will void your warranty.

To begin a warranty request, please contact with an attached proof of purchase to validate your warranty. Please also include a detailed explanation of the issue affecting your Cubelet, since we may be able to help you fix the problem at home!

If we are unable to troubleshoot the issue, you will be asked to mail in your nonworking components in order to take advantage of our warranty program. We ask customers to cover inbound shipping costs to our office, and Modular Robotics will pay the shipping cost returning the repaired item or a replacement to you.

Still have questions? You can always reach us at

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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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