Master STEM skills like an astronaut with our Space–O STEM kits

Become a space explorer and build your STEM armada of innovative spaceships, satellites, and rovers.

How does Space-O subscription work?

1. CHOOSE THE LENGTH OF YOUR SUBSCRIPTION

You can cancel anytime

2. START BUILDING YOUR SPACE FLEET

Master life-changing STEM skills

EXPLORE THE WORLD OF SPACE ENGINEERING

Learn about challenges and limitations of humanity's space exploration missions

Apollo 11
Apollo 11
CubeSat
CubeSat
International Space Station
International Space Station
James Webb Space Telescope
James Webb Space Telescope
Solar Orbiter
Solar Orbiter
Discovery
Discovery
Mars Rover
Mars Rover
Artemis
Artemis
Juno
Juno
Voyager
Voyager

Perfect subscription for all space enthusiasts

You've been dreaming of launching your own space exploration mission? With our innovative space–themed STEM kits, you can now build, code, and launch your space fleet from the comfort of your home.

Even though they pose greater challenge than our previous subscriptions, the satisfaction from a finished build is even greater.

Start your Space adventure

What's included in the Space-O STEM kit?

ELECTRIC COMPONENTS

PCB PANELS & OTHER PARTS

BUILD GUIDE

EDUCATIONAL MANUAL

Learn life–changing STEM skills of the future

You will learn about electrical engineering and robotics in the most exciting way possible. Your newly–gained skills will help you solve real–life problems faster, with a touch of creativity.

Every 3 months, you'll get a new unique Space–themed STEM project that will help you master your STEM skills and learn about space exploration.

Start your Space adventure

Unique space kits are waiting for you

Box #1

SOLAR ORBITER + CUBESAT

SHIPS: Now

SOLAR ORBITER + CUBESAT

Engineer your very own sun-observing satellite, build the NEA Scout asteroid-exploring spacecraft, and venture into the universe!

Box #2

INTERNATIONAL SPACE STATION

SHIPS: September 2024

INTERNATIONAL SPACE STATION

Become a real-deal space engineer and build your own International Space Station for scratch! Get ready to observe and study space from your own space station.

Box #3

NASA PERSEVERANCE MARS ROVER

SHIPS: December 2024

NASA PERSEVERANCE MARS ROVER

Explore Mars with your own Perseverance Space Rover! Become a master of AI, robotics, and coding with this complex and incredibly powerful learning tool.

Box #4

JUNO, DISCOVERY & VOYAGER

SHIPS: March 2025

JUNO, DISCOVERY & VOYAGER

Become a space veteran with this set of 3 historical kits including famous NASA's space probes and one of the most legendary space shuttles ever made!

Box #5

ARTEMIS WATCH + MARS ROVER ADDONS

SHIPS: June 2025

ARTEMIS WATCH + MARS ROVER ADDONS

Your very own space-themed smartwatch. Level up your Perseverance Rover build with extra functionalities and embark on a completely new space mission.

Box #6

JAMES WEBB SPACE TELESCOPE + APOLLO 11

SHIPS: September 2025

JAMES WEBB SPACE TELESCOPE + APOLLO 11

Build the most powerful telescope ever created and launch the classic Apollo 11 spacecraft all the way to the Moon in your first Space-O mission.

Kids and parents agree that CircuitMess is the perfect blend of fun and education

Over 100,000 STEM superstars all around the world use STEM kits from CircuitMess to learn relevant skills for our futures in a fun and playful way. Check out what they have to say:

"Great Space-O campaign!"

“You guys are absolutely awesome and never fail to impress. Great Space-O campaign!”

Robin J., Uncle
Robin J.
5 stars iconUncle, Germany

"Stoked for Space-O project!"

“Words cannot describe how stoked I am for this Space-O project”

Morgan M., Mother
Morgan M.
5 stars iconMother, United States
Apollo 11
CubeSat
International Space Station
James Webb Space Telescope
Solar Orbiter
Discovery
Mars Rover
Artemis
Juno
Voyager

Why choose the Space-O STEM subscription?

Our Space–O subscription offers teens and adults a fun and exciting way to immerse themselves in the world of space exploration and engineering. You'll learn how these historical crafts ventured into The Great Unknown and what kind of missions they successfully completed.

Get ready to build your own space crafts and launch your own space exploration missions with CircuitMess!

Incredible educational value

You'll learn about the intricacies of hardware assembly, soldering, coding, and electric engineering.

Highest-quality parts and components

The parts are strong and durable, allowing you and your kids to learn and play without any stress of breaking the kit.

Gain a well-rounded understanding of space exploration

Across our 6 Space-themed kits, you'll learn about various space missions, space technologies, and scientific concepts.

Join a buzzing community of STEM and Space enthusiasts

Share your experiences and meet like-minded space explorers! Find out how others are using their Space-O kits.

Best way to bond with your kids

What better way to bond with your kids than over a space exploration mission? This is not just a DIY kit, it's a weekend spent together.

Continuous learning journey

With every new Space-themed STEM kit, you'll gain new knowledge that builds on top of your previous kit. Crafted for serious, fun learning.

It's fun and exciting

There's no better reason than this one. Building your space fleet is so fun, you'll notice hours and hours go by like seconds while you're in the zone.

Access expert tutorials and guides

Each Space-O box comes with an educational handbook and a detailed step-by-step guide to help you code and build your space crafts with maximum accuracy.

A peek into our Space–O STEM kits

Wondering what's inside the Space–O STEM kit? Here's what you can expect!

Learn life–changing STEM skills of the future

Build guide

Step-by-step guide with 100+ photos and videos

Coding guide

Learn how to code with our beginner-friendly instructions

Usage guide

Tips & tricks on how to use your space vehicles

This month's space exploration challenge

Build the historical Apollo 11 and assemble the powerful James Webb Space telescope

What's included in this kit?

Apollo 11 Lunar Module Eagle

Apollo 11 Moon Rover

James Webb Space Telescope

What skills will you learn with Space-O STEM subscription?

soldering
coding
ai & machine learning
electrical engineering
problem - solving
robotics

space-oages 11-99

Learn STEM skills with your kids just like the astronauts – one DIY Space kit at a time

Hardware assembly
Machine learning
Microchips
Coding
Resistors
Soldering
Electronics
Robotics
LEDs

With our DIY Space–themed STEM kits, you can help your kids (and yourself) build self–confidence and acquire invaluable skills of the future – while having a blast! Choose between 3 subscription plans below and get a new space engineering project delivered to your doorstep every 3 months.

circuitmess new york toy fair award
3 months subscription

space cadet

Get a glimpse of our space-inspired STEM adventure. Billed per project as you go.

$119/box

HOW IT WORKS
New box every 3 months
Pay per box
Cancel anytime
Instructions manual
Free tools pack
1 year subscription

space explorer

A year-long space-themed STEM program consisting of 4 boxes shipped quarterly. Raise a budding astronaut with extensive STEM knowledge.

$99/box

HOW IT WORKS
New box every 3 months
Includes 4 boxes
Billed $396 annually
Cancel anytime
Instructions manual
Free tools pack
18 months subscription

space adventurer

Raise a future astronaut with our full set of 6 space-themed boxes shipped over 18 month period

$89/box

HOW IT WORKS
New box every 3 months
Includes 6 boxes
Billed $534 every 18 months
Cancel anytime
Instructions manual
Free tools pack

Free worldwide delivery. Subscriptions renews automatically, cancel anytime. Rated 4.5/5 by 100,000+ satisfied customers.