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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
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    NASA Artemis Watch 2.0

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

    $129.00

    new

    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

    new

    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
    This item will ship after Jan 6th 2026

    new

    Wheelson 2.0
    20 left

    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%
    This item will ship after Jan 6th 2026
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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
    6 left

    Clockstar 2.0

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

    $99.00