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STEM Kits for Adults

CircuitMess kits empower adults to explore the world of electronics, coding, and robotics through engaging, hands-on projects. Build real working devices, from retro game consoles to AI-powered robots. Develop valuable skills, expand your knowledge, and experience the satisfaction of creating something unique.

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    Bestsellers Bundle
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    Bestsellers Bundle

    Our most popular kits, together for the best price!

    Number of projectsx3
    $339.00
    $447.00-24%

    exclusive

    NASA Artemis Watch 2.0
    Low Stock

    NASA Artemis Watch 2.0

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

    $129.00
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    SOLDR Deluxe Soldering Kit

    SOLDR Deluxe Soldering Kit

    Fully-portable, limited-edition soldering kit

    $449.00
    $499.00-10%
    Estimated ship date: February 2026

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    Artemis Watch Strap: Stellar Blue
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    Artemis Watch Strap: Stellar Blue

    A deep space look in durable woven nylon for your next journey

    $9.99

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    ByteBoi 2.0
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    ByteBoi 2.0

    Assemble a retro DIY console, play pre-loaded games, and code your own

    $159.00

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    Wheelson 2.0
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    Wheelson 2.0

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

    $169.00

    bestseller

    Jay-D 2.0
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    Jay-D 2.0

    Make your own DJ mixer and learn about digital sound production

    $169.00
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    NASA Collector's Bundle
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    NASA Collector's Bundle

    Includes the Artemis Watch 2.0 & all 4 official straps

    Number of projectsx1
    $149.00
    $168.96-12%
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    Smartwatch Bundle
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    Smartwatch Bundle

    Build one, program two - master wearable tech!

    Number of projectsx2
    $199.00
    $228.00-13%
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    bestseller

    RC Bundle 2.0
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    RC Bundle 2.0

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

    Number of projectsx2
    $259.00
    $328.00-21%
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    The Artemis Strap Collection
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    The Artemis Strap Collection

    The complete collection of NASA Artemis straps

    $29.99
    $39.96-25%

    bestseller

    Clockstar 2.0
    Low Stock

    Clockstar 2.0

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

    $99.00

    bestseller

    Chatter 2.0
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    Chatter 2.0

    Build & code your own encrypted communicators

    $149.00
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    Ultimate STEM Bundle

    Ultimate STEM Bundle

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

    Number of projectsx19
    Free tools iconfree tools
    $1,199.00
    $1,669.91-28%
    This item will ship after Jan 28th 2026
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    Gizmo Bundle 2.0
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    Gizmo Bundle 2.0

    Master electronics and programming by crafting multi-function gadgets

    Number of projectsx3
    $269.00
    $337.00-20%

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    Artemis Watch Strap: Starlight
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    Artemis Watch Strap: Starlight

    A sleek, cosmic look. Durable woven nylon for any mission

    $9.99
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    Mars Exploration Bundle

    Mars Exploration Bundle

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

    Number of projectsx2
    Free tools iconfree tools
    $399.00
    $517.00-23%
    This item will ship after Jan 28th 2026

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    Artemis Watch Strap: Violet Supernova
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    Artemis Watch Strap: Violet Supernova

    A complete burst of color. Durable woven nylon makes a statement.

    $9.99