Thousands and Thousands of Tiny Robots.

A Modular Robotics blog.

Introducing the Invent Calendar

Seasons’ Greetings,  budding inventors! The holidays are upon us once again.  Snowmen, candy-canes, advent calendars, and little lights abound. And we’d like introduce you to something

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Cubelets Heart Transplant

Woo!  I’m pleased to announce the new Battery Cubelet.  We’ve been working on designing and developing it for quite a while.  The new Battery Cubelet has

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Introducing MOSS XRay View

Have you ever wanted XRay goggles? As we’ve put MOSS into the hands of our Kickstarter backers, early adopters, and educational pilot programs we’ve heard

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The MOSS Huck Tank

We’re finishing up the final preparations toward launching our most awesome product ever: the MOSS Huck Tank. I can’t wait until November. The Huck Tank

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Curricula Wants to Be Free

Every once in a while we talk to a teacher who needs to double check that Modular Robotics lesson plans, activities, and curricula are free.  “Wait, you

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We’re Shipping MOSS

Chocolate Santa (an affectionate nickname for Tony, our UPS guy) just picked up the first 40 MOSS kits from our little factory at Modular Robotics. 

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MOSS Production Progress

We’re making a lot of progress transitioning MOSS from prototype to product. Engineering design was locked several months ago, injection moulds are made, and plastics

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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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