Search Results | CircuitMess

exclusive

Rimac Nevera

Fully-functional, limited-edition replica of Nevera hypercar

$149.00

$199.00-25%

Estimated ship date: June 2026

new

32 left

Fractions & Decimals Curriculum

Master math through motion: no parent instruction required

$29.00

$59.00-51%

exclusive

21 left

NASA Mars Perseverance Rover

Build & code your own NASA-themed, AI-powered rover

$349.00

7 left

Silicone Work Mat

Upgrade your workspace with our heat-resistant mat (9.33'×7.79')

$19.00

8 left

Protective Goggles

Get that scientist look & stay safe while working with electronics

$15.00

25 left

Tools Pack

Be ready for any creative project with lead-free solder and more

$39.00

exclusive

Ultimate STEM Bundle

Go from beginner to STEM expert with every CircuitMess kit out there

x19

free tools

$1,199.00

$1,669.91-28%

Ships after May 18th

Epic Gaming Bundle

Empower tomorrow's innovators through engineering, coding & gaming

$619.00

$884.00-30%

Ships after May 18th

exclusive

Mars Exploration Bundle

Start exploring with a buildable rover and the ready-to-use NASA smartwatch

free tools

$399.00

$517.00-23%

Ships after May 11th

bestseller

16 left

Chatter 2.0

Build & code your own encrypted communicators

$149.00

bestseller

16 left

Retro Bundle 2.0

Build your own retro console & communication devices

$199.00

$238.00-16%

new

16 left

Beep Boop Kirin

Inventor Beep Boop - your digital pet for techy mini-games

$39.00

new

Low Stock

Beep Boop Mochi

Artistic Beep Boop - your digital pet for creative mini-games

$39.00

new

14 left

Beep Boop Miao Miao

Stealthy Beep Boop - your digital pet for tricky mini-games

$39.00

bestseller

21 left

Bit 2.0

Learn electronics and programming with this must-have DIY retro console

$89.00

9 left

Codee 2.0

Build, code & care for your virtual pet, plus get 6 unique games

$89.00

bestseller

7 left

Jay-D 2.0

Make your own DJ mixer and learn about digital sound production

$169.00

bestseller

19 left

Clockstar 2.0

Build & code your own smartwatch and connect it to your phone

$99.00

8 left

Gizmo Bundle 2.0

Master electronics and programming by crafting multi-function gadgets

Includes Bit 2.0, plus all 9 Wacky Expansions

x10

$125.00

$169.91-26%

new

19 left

Complete Wacky Expansion

Get all the Wacky expansions - 9 games & 126 cards

$59.99

$80.91-26%

new

NASA Collector's Bundle

Includes the Artemis Watch 2.0 & all 4 official straps

$149.00

$168.96-12%

Ships after May 11th

new

11 left

The Artemis Strap Collection

The complete collection of NASA Artemis straps

$29.99

$39.96-25%

new

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Virtual Pet Bundle

Build, train & collect all CircuitMess virtual pets

$195.00

$245.00-20%

new

Bestsellers Bundle

Our most popular kits, together for the best price!

$339.00

$447.00-24%

Ships after May 11th

new

Smartwatch Bundle

Build one, program two - master wearable tech!

$199.00

$228.00-13%

Ships after May 11th

new

21 left

Beep Boop Bundle

Get all four Beep Boops for a special price

$115.00

$156.00-26%

exclusive

NASA Artemis Watch 2.0

A programmable, NASA-themed smartwatch with activity tracking & more

$129.00

Ships after May 11th

Low Stock

Music Bundle 2.0

Build and program your own synth & DJ mixer

$279.00

$318.00-12%

new

16 left

Synthia 2.0

Build & code an all-in-one sampler, drum machine, sequencer & synth

$149.00

bestseller

RC Bundle 2.0

Build and code an AI car & conquer retro games with a DIY console

$259.00

$328.00-21%

Ships after May 18th

new

Wheelson 2.0

Build and code a self-driving, AI-powered robot car

Unlock a unique Bit game & collect 14 tradable cards

$8.99

bestseller

22 left

Coding Bundle 2.0

Learn to code by building & programming three unique game consoles

$269.00

$337.00-20%

FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

FREE WORLDWIDE SHIPPING

For orders over $96

LIFETIME SUPPORT

Reach out if you need help with your build

SECURE PAYMENT

100% safe - PayPal, debit, or credit card

GLOBALLY RECOGNIZED

Over 100.000 STEM kits sold

Have questions?
Check out our FAQs!

Our kits are made for learning new STEM skills. We're providing you with materials, instructions, and ideas, but it's up to you to build it and code it yourself. We strongly believe that once you make something with your hands, you're not only accomplishing something new, but also learning sought-after skills.

We have two product lines. One is for kids, and it includes STEM toys for ages 7+. The other product is for teens & adults. It consists of products for ages 11+, 14+, as well as more advanced kits for adults.

You will learn all the essential STEM skills that could define your future. You'll learn everything from electronics and robotics to coding and problem-solving.

We offer a variety of kits. You can build robots small and big, gaming consoles, AI-powered cars, NASA-themed rovers, smartwatches, and much more. For full product list, visit our official store.

We ship worldwide - you can get a kit no matter where you are in the world. You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $15. Your packages will be shipped from the EU, and if you have any questions about import charges, please check this. Within EU, You get a free tracked shipping for orders over $99. For orders below $99 shipping fee starts at $8.

No. But now you can buy whichever CircuitMess STEM kit you want and you'll even find bundles to get more kits at once while saving money. If you still have an active CircuitMess subscription, you will get all the STEM boxes you have subscribed to. After that, you'll be able to buy each product separately or in a bundle.

If you have one of our subscriptions you can manage it here.

You can access anatomy, build, coding, and usage guides on our learning platform, CircuitMess Resources, under the Guides section. All our projects are open-source, and additional product details are available on our GitHub repository. If you still can't find the answer you're looking for, you can always reach out to us at contact@circuitmess.com, and we'll be happy to help!

You can check our cancellation policy on this link.

Rimac Nevera

Fractions & Decimals Curriculum

NASA Mars Perseverance Rover

Silicone Work Mat

Protective Goggles

Tools Pack

Ultimate STEM Bundle

Epic Gaming Bundle

Mars Exploration Bundle

Chatter 2.0

Retro Bundle 2.0

Beep Boop Kirin

Beep Boop Mochi

Beep Boop Miao Miao

Bit 2.0

Codee 2.0

Jay-D 2.0

Clockstar 2.0

Gizmo Bundle 2.0

Artemis Watch Strap: Mars Red

Artemis Watch Strap: Starlight

Artemis Watch Strap: Stellar Blue

Artemis Watch Strap: Violet Supernova

Beep Boop Tochi

Wacky Collector's Bundle

Complete Wacky Expansion

NASA Collector's Bundle

The Artemis Strap Collection

Virtual Pet Bundle

Bestsellers Bundle

Smartwatch Bundle

Beep Boop Bundle

NASA Artemis Watch 2.0

Music Bundle 2.0

Synthia 2.0

RC Bundle 2.0

Wheelson 2.0

ByteBoi 2.0

Bit Expansion - Resistron

Bit Expansion - Capacitron

Bit Expansion - Hertz

Bit Expansion - Buttons

Bit Expansion - Marv

Bit Expansion - Artemis

Bit Expansion - Mr. Bee

Bit Expansion - Robby

Bit Expansion - Bob

Coding Bundle 2.0

Gift Card

FREE WORLDWIDE SHIPPING

LIFETIME SUPPORT

SECURE PAYMENT

GLOBALLY RECOGNIZED

FREE WORLDWIDE SHIPPING

LIFETIME SUPPORT

SECURE PAYMENT

GLOBALLY RECOGNIZED

Have questions?Check out our FAQs!

What makes CircuitMess different from other STEM toys?

What age range are CircuitMess kits for?

What skills will I (or my child) learn with CircuitMess?

What kind of projects can I build with CircuitMess STEM kits?

Where do you ship?

Do you still sell subscriptions?

How can I manage my subscription?

Where can I find additional information & learning materials?

What is your cancellation policy?

Have questions?
Check out our FAQs!