Shipping and Tax.

Domestic Shipping.

Free shipping is available for domestic orders over $50 only.

PO Boxes and APO/FPO addresses will be delivered via USPS, all other packages will be shipped by USPS or UPS Ground. Please allow 2-3 additional business days for deliveries in Hawaii and Alaska.
Modular Robotics also offers United States Postal Service (USPS) or UPS shipping for orders. If you’ll be shipping to a PO box, please keep in mind that UPS will not deliver to these locations and you must select the USPS option. Packages unable to be delivered by UPS will be returned to us and re-shipped USPS at the recipient’s expense. 

We’ll ship your order out on the same day that you place it if it meets the following criteria:

  • Order is placed on the Modular Robotics website before 2PM MT on a regular business day (Monday-Friday)
  • A UPS shipping option has been selected
  • All items are in stock
  • Your order is paid in full
  • Your order is not a PO order or Reseller order

We fill all other orders as soon as possible. Due to normal variations in order volume, this may be up to 2 business days. Once your order has shipped, you’ll receive a Shipping Confirmation email with tracking information. We do not accept C.O.D. orders, and we are not responsible for lost or stolen packages. We will file claims for packages that are insured.

International Shipping.

In general, UPS Worldwide shipping options are faster and more reliable than USPS. Please select a UPS option if you require a guarantee that your package will arrive by a specific date. USPS Priority Mail International is cost saving but can take anywhere from 6 days to 2 months (seriously!) depending on your country’s mail service and how remote your location is. For more information about the estimated shipping times for each service, please follow the links below, or send an email to with your city, country and postal code.

Any duties and taxes for international shipments are the responsibility of the customer. Modular Robotics is not responsible for any extra charges once the original package has been shipped. If the customer refuses to pay these extra charges, the return shipping and any additional fees will be taken out of the cost of the order, with any remaining funds being refunded to the recipient.

Sales Tax.

Sales tax is charged on all orders shipped to Colorado, New York, and Minnesota, USA. If you’re shipping to any of these states but have a tax-exempt status, please first register as a customer. Then, email a copy of your exemption certificate to We’ll apply the exemption to your account and reply to your email to let you know. At that point you will be able to place your order as normal, and tax won’t be added at checkout.or,

Shipping Issues.

Customers are responsible for all addresses and contact information entered while ordering. Please contact us as soon as possible if you believe you’ve made an error. If a package requires reshipping or rerouting, the customer is responsible for any incurred charges. Additional incurred charges must be paid in full before a second delivery attempt is made.

If any item arrives damaged due to shipping, immediately snap some photos of the damage to the box and contents and contact the carrier. Keep all shipping cartons and email Modular Robotics as soon as possible at

Shipping and Handling Charges.

Shipping and handling charges are non-refundable. We are not responsible for shipping charges on merchandise being returned to us for warranty replacement or refund.

Failure to Pay International Duties and Taxes.

All duties and fees incurred after your shipment leaves our factory are the responsibility of the recipient. If your package is returned to Modular Robotics due to failure to pay customs duties or VAT fees, you will be refunded the total remaining after deducting original shipping cost, any custom fees paid to release the package, and return shipping costs. For any questions pertaining to Duties and Taxes, please contact us at


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. 

Cubelets 1:1 set.
Go 1-to-1 with Cubelets.

Cubelets 1:1 is a specially designed pack that supports one-to-one learning environments. It's great for covering a whole class or just a few students!

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At Home.

Bring home the educational teaching tool loved by teachers everywhere. Explore sets designed for learning through play.

Cubelets Curiosity Set - box and robot blocks
Create with Curiosity.

Get a pile of everyone's favorite robot blocks. Cubelets Curiosity Set is the perfect way to start exploring robotics and coding.

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