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    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos
    • Mega Cyborg Hydro Blaster STEM Thames & Kosmos

    Mega Cyborg Hydro Blaster

    • STEM
    • Engineering
    • Ages 8+

    Build a wearable hydraulic blaster and shoot water.

    $44.95

    Explore hydraulics, mechanics, and robotics with this buildable, wearable water blaster and claw! Press one trigger to shoot a stream of water using a hydraulic piston, and another to activate the claw. The claw can also transform into a shield, sword, crossbow, or boomerang. No motors or electricity required! The 40-page manual explains the mechanisms behind every transformation and function.

    A 2024 Toy Insider Top Holiday Toy
    A 2025 Toy of the Year Finalist (Outdoor Toy category)

    Inside the manual

    Additional Info

    • Developed by educators and scientists
    • Step-by-step build instructions
    • Engaging illustrations throughout
    Download Manual

    What's in the Box

    • Piece Count: 181
    • 40 page manual

    Deeper Dive

    Explore hydraulics, mechanics, and robotics with a buildable, handheld water blaster and claw! Using over 180 plastic pieces, assemble this awesome device which shoots a stream of water and grabs onto targets with its huge gripper — no motors or electricity required!

    Once assembled, wear the cyborg blaster on your own hand. Press one trigger to shoot a stream of water from the blaster nozzle using a hydraulic piston. Press another trigger to activate the claw mechanism. The claw transforms into many different shapes — in addition to the gripper claw, it can take on a shield, sword, crossbow, and boomerang shape.

    A 40-page, full-color manual guides model building and experimentation and provides engaging scientific information about how the different mechanisms in the device work.

    This revolutionary device transforms into five different shapes while offering a hands-on STEM learning experience. Ergonomically designed to fit into the hands of kids and adults alike, this massive blaster can lead everyone on an immersive journey to the scientific cyborg world.

    Auto-transforming: Shield to gripper mode

    Unlocking 5 different transformations is easier than you can imagine. Face different opponents head-on, you can switch blaster styles within seconds. The power of versatility is in your hands. Let the epic water battles begin!

    Press to grip:

    With a simple press of a button, you can effortlessly grab anything you want, while it still shoots out powerful water jets. Your blaster will instantly become the coolest one among your friends, making you the envy of every water battle!

    • 20 feet maximum water-shooting distance
    • Holds 160 ml about 5 ounces) of water
    • Accommodates both left- and right-handed users
    • From the makers of Mega Cyborg Hand — wear one on each hand!
    • Extension of best-selling Mega Cyborg Hand play-pattern
    • Build an awesome-looking, wearable mechanical claw that shoots streams of water
    • Configures in multiple ways: shield, gripper, sword, crossbow, and boomerang
    • Build from over 180 parts
    • Learn scientific lessons in air pressure, nozzles, hydraulics, and mechanisms like gears, levers, and linkages

    Ages

    8+ with help | 10+ I got this

    Experiments

    5

    Piece Count

    181

    Manual Pages

    40

    Product Dimensions

    13 x 11 x 4.7 in.

    Product Weight

    2 lbs.

    Manual Dimensions

    8.3 x 11.5 in.

    Batteries Required

    N/A

    Country of Origin

    Taiwan

    Year Released

    2024

    Reviews

    Straight from real parents

    We envision a world where everyone loves to learn.

    Our products inspire kids and families to think deeper, play longer, and figure stuff out. 

    • Heritage Fuels Discovery

      Heritage Fuels Discovery

      With 200+ years of science publishing behind us, we've helped shape the STEM category worldwide. That heritage guides every product decision, from content development to quality standards.

    • Curiosity, Engineered

      Curiosity, Engineered

      We solve engineering problems most toy companies wouldn't attempt. GeckoBot climbs glass, Gecko Run builds marble runs on walls, and the Mega Cyborg Hand, a wearable hydraulic exoskeleton, was the #1-selling science toy in the US in 2025 (Circana).

    • Everyone's a Scientist

      Everyone's a Scientist

      We turn complex science and technology into fun, hands-on experiences for kids and families. From crystal growing to advanced robotics, we make the challenging feel approachable and the approachable feel exciting.