The Ultimate STEM Bundle is the complete CircuitMess collection! It includes every kit we offer: Wheelson 2.0, ByteBoi 2.0, Synthia 2.0, Clockstar 2.0, Jay-D 2.0, Chatter 2.0, NASA Artemis Watch 2.0, NASA Mars Perseverance Rover, Codee 2.0, Bit 2.0, and all Wacky expansions (Robby, Resistron, Buttons, Capacitron, Bob, Marv, Mr. Bee Hertz, and Artemis). You also get a free Tools Pack and Silicone Work Mat. It is basically every product we sell.
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Full-on STEM Experience
STEM for Teens & Adults
STEM for Kids
STEM for Teens & Adults
NASA Mars Perseverance Rover
Build a working Mars Rover and unlock the secrets of electronics, motor control, and learn how to program your Rover's actions.
Artemis Watch 2.0
A programmable, NASA-themed smartwatch with activity tracking & more.
ByteBoi 2.0
Get hands-on with retro gaming and coding! Build the ByteBoi 2.0 8-bit console, play classic-style games, and then learn to program your own. Plus, you can transform your ByteBoi 2.0 into a controller for the Wheelson 2.0 robot car.
Wheelson 2.0
Assemble a self-driving car and explore the world of AI! Wheelson 2.0 teaches you about autonomous navigation, robotics, and electronics. You can also take manual control using the CircuitMess ByteBoi 2.0 game console.
Chatter 2.0
Build, connect, and communicate securely with Chatter. This DIY kit lets you assemble two long-range, encrypted text messaging devices that operate without Wi-Fi or cellular networks. Learn about LoRa technology and radio communication.
Synthia 2.0
Build your own all-in-one music creation station: synthesizer, drum machine, sequencer, and sampler. Synthia 2.0 includes pre-loaded sounds, a built-in microphone for recording, and a range of sound effects to experiment with.
Jay-D 2.0
Dive into the world of DJing and electronics with Jay-D! Build your own mixtable, learn about digital audio and DACs along the way, and then start crafting your own mixes using the jog wheels, crossfader, and built-in effects.
Clockstar 2.0
Discover wearable tech and build your own customizable smartwatch! The Clockstar kit teaches you about electronics, Bluetooth, and gyroscopes, all while you create a unique timepiece you can proudly wear.
STEM for Kids
Bit 2.0
Build your own retro gaming device and unlock a world of interactive fun! Bit is a fully functional handheld console, complete with pre-loaded games to get you started. You can also code your own games and unlock new ones with Wacky Robots and Mini-Bots included in this bundle.
Bit Expansion - Bob
Unlock a new game with Bob, the repair bot of the Rayforge guild! This pack includes Bob's game token and 14 trading cards that add powerful repair abilities to your Wacky Robots card game deck.
Bit Expansion - Buttons
Get Buttons, the clever mimic from the Synthicate faction! This pack includes the Buttons game token to unlock a unique game on your Bit, plus 14 cards that let you copy your opponents' best moves in the card game.
Bit Expansion - Mr. Bee
Reinforce your defenses with Mr. Bee of the Mechanicon faction! This pack comes with the Mr. Bee game token to unlock a new game on your Bit, and 14 cards that introduce powerful defensive strategies to your deck.
Bit Expansion - Marv
Unleash a dazzling spectacle with Marv of the Luminobots! This expansion includes the Marv game token, unlocking a fast-paced game on your Bit, and 14 trading cards to help you deal massive damage.
Bit Expansion - Robby
Outsmart your opponents with Robby, the strategic spy from Intellicorp! This pack comes with the Robby game token, unlocking a puzzle game on your Bit, plus 14 cards that give you a huge advantage in the card game.
Bit Expansion - Capacitron
Harness the power of energy with Capacitron from the Rayforge guild! This expansion includes the Capacitron game token, unlocking an electrifying game on your Bit, and 14 cards that deal direct damage.
Bit Expansion - Resistron
Bring the heat with Resistron, the high-damage specialist of Rayforge! This pack includes the Resistron game token to unlock an intense action game, and 14 cards featuring a powerful attack for the card game.
Bit Expansion - Artemis
Bypass all defenses with Artemis of the Luminobots faction! This pack comes with the Artemis game token to unlock a skill-based shooter game, and 14 cards with a special shield-ignoring ability.
Bit Expansion - Hertz
Amplify your power with Hertz from the Synthicate faction! This pack includes the Hertz game token to unlock a rhythm-based game on your Bit, and 14 cards that let you unleash a crescendo of damage.
Codee 2.0
Go beyond just playing – create your own virtual pet experience. With Codee, you'll build the hardware, then learn to code its behavior, personalize its interactions, and even design your own mini-games.
What's in your free tools pack?
1
Sponge
2
Cutter pliers
3
Glasses
4
USB cable
5
Screwdriver
6
Lead-free solder
7
Soldering tip
8
Soldering iron
9
Soldering stand
1
Sponge
2
Cutter pliers
3
Glasses
4
USB cable
5
Screwdriver
6
Lead-free solder
7
Soldering tip
8
Soldering iron
9
Soldering stand
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$884.00-30%
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exclusive
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Mars Exploration Bundle
Start exploring with a buildable rover and the ready-to-use NASA smartwatch
x2
free tools$399.00
$517.00-23%
This item will ship after Dec 5th 2025
Code your CircuitMess devices with ease
CircuitBlocks puts the power of coding in your hands. This visual, block-based programming environment is designed for beginners but powerful enough for experienced coders. Generate Arduino-compatible code and unlock the full potential of your CircuitMess devices.
Have questions?
Check out our FAQs!
The Ultimate STEM Bundle has such a wide range of projects that it offers something for ages 7 and up. Some kits, like the Wacky Robots, are great for younger builders (with supervision), while others, like Wheelson, are better suited for teens and adults.
No prior experience is needed! All CircuitMess kits, including those in the Ultimate STEM Bundle, are designed to be beginner-friendly. Each kit comes with detailed instructions, and we offer plenty of online resources and support if you need help.
You'll learn a ton! This bundle covers a huge range of STEM topics: electronics, coding (with CircuitBlocks and Python), robotics, AI, computer vision, wireless communication, sound synthesis, digital audio, and more. It's a complete STEM curriculum in a box!
Building everything in the Ultimate STEM Bundle would likely take 30+ hours, spread out over weeks or even months. It's an ongoing learning adventure, not a single weekend project.
Yes, all the kits included in the Ultimate STEM Bundle are also available for purchase individually. However, the bundle offers the most comprehensive CircuitMess experience – and significant savings!
You can check our cancellation policy on this link.
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 $96. For orders below $96 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 $96. For orders below $96 shipping fee starts at $8.
Like all our products, the Ultimate STEM Bundle comes with clear instructions and a build guide. You can follow the provided resources no matter how fluent you are in electronics and robotics. For additional support, check Circuitmess resources. If you're stuck, feel free to contact us on this link and we'll help you as soon as possible.
