The Bestsellers Bundle includes three of our most popular CircuitMess products: the ready-to-use NASA Artemis Watch 2.0, the DIY Chatter 2.0 communicators, and the DIY Jay-D 2.0 DJ mixer. A complimentary silicone work mat is also included for your building projects.
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Over 100.000 STEM kits sold
What's in the bundle?
Discover Our Most-Loved Projects!
Get your hands on the kits our community can't stop talking about! The Bestsellers Bundle combines three of our most popular projects: the ready-to-use NASA Artemis Watch 2.0, the DIY Chatter 2.0, and the DIY Jay-D 2.0. It's the ultimate introduction to coding, electronics, and wireless tech.

Learn new STEM skills
Inside the bundle

NASA Artemis Watch 2.0
Ready for Your Next Mission
The Artemis Watch 2.0 is ready to use right out of the box. Explore its built-in features, track your activity, and learn about the tech that powers modern smart devices.
Code a Cosmic Companion
Learn to code using our intuitive CircuitBlocks interface. Design custom NASA-themed watch faces, create your own apps, and take control of your wearable tech.

Chatter 2.0
Build Your Own Private Network
With Chatter 2.0, you'll assemble a pair of encrypted text messengers that work without a SIM card. It's the ultimate off-grid communication project.
Explore Wireless Technology
Building Chatter helps you understand how data is sent wirelessly. Learn about LoRa technology, radio frequencies, and encryption while building a secure network.

Jay-D 2.0
Craft Your Own DJ Mixer
Build a portable DJ mixing console from scratch. You'll learn about sound waves, digital audio, and the electronic components that make music happen.
Become the DJ
Once built, you can mix tracks, add effects, and create your own beats. It's a hands-on introduction to the world of music production and sound engineering.
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NASA Mars Perseverance Rover
Build & code your own NASA-themed, AI-powered rover

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 Bestsellers Bundle offers a great experience for ages 9 and up. The buildable kits (Chatter and Jay-D) are a rewarding challenge best suited for ages 11+, while the ready-to-use Artemis Watch is fun for everyone. Younger builders can absolutely join in with some adult guidance.
This bundle is packed with a wide variety of skills! You'll learn hands-on electronics by building the Chatter and Jay-D kits. You'll also learn to code using our visual CircuitBlocks interface, creating custom watch faces, exploring wireless communication, and even mixing your own music.
The NASA Artemis Watch 2.0 is ready to use right out of the box! The two DIY kits, Chatter 2.0 and Jay-D 2.0, will each take a few hours to assemble, making them perfect weekend projects. After that, coding and playing with all three devices offers endless fun.
No prior experience with electronics or coding is necessary! The two DIY kits in this bundle are designed for beginners with detailed instructions, and the Artemis Watch 2.0 is ready for anyone to use immediately. All the coding activities are also beginner-friendly.
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 Bestseller 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.







