Thousands and Thousands of Tiny Robots.

A Modular Robotics blog.

2000 Tiny Circuit Boards

We made 2000 tiny circuit boards this weekend! We used a giant robot; it’s called a Pick and Place machine because it picks up each tiny electronic

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Introducing Cubelets

Cubelets are little robotic blocks that you can snap together to make bigger robots that drive around, do smart things, and act like they’re alive. With

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New Studio!

We just moved Modular Robotics into a great new space in downtown Boulder, Colorado. If you’re local, come visit us at 2500 Pearl Street, right

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SBIR II Grantees Meeting

I’m just now getting around to posting about the NSF SBIR Phase II Grantees meeting that I attended last month, in Baltimore.   Our SBIR grant requires

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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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