Product Description

     

        Saltwater-Powered Walking Robot

     

       Build awalking

         robot fueled by

          salt water - no

        batteries required!

        SAFE＆

        ECO－FRIENDLY!

       Build a sleek, adorable walking robot that runs entirely on salt water and magnesium—no batteries required! Powered by a metal-air electrochemical cell, it uses an innovative pump mechanism to deliver a single drop of salt water, allowing the robot to walk for up to an hour. The easy-to-clean fuel bottle offers endless reusability, while the full-color manual provides step-by-step assembly instructions and explores the science behind clean, renewable energy.

Innovative

pump mechanism

Turn the wheel to release salt

water into the fuel cell

Learn about fuel

cells and build your own!

Walks up to 1 hour

on 1 drop of salt water!

Explore clean,

long-lasting energy sources

Functional Features

Salt + Water = Fuel Cell

1. Add Salt Water for Redox Reaction

   The magnesium plate releases electrons, which combine with oxygen in the air to form magnesium hydroxide Mg(OH)₂

2. Electron Movement Generates Electricity

    The movement of electrons creates an electric current.

3. Motor Drive — Ready to Play!

    The motor is driven into action, and the fun begins!

How to pause the saline-filled astronaut

Open the astronaut's faceplate (ORBI)

Product parameters

Name: Saltwater Astronaut	Scientific Principle: Saltwater-powered
Recommended age: 8+ years	Assembly time: 1.5 hours
Difficulty Level: ★★★★★	Required Tools: Diagonal cutters, salt, cup, toilet paper, screwdriver, marker, ruler, stirring rod

How do you maintain a saltwater-powered astronaut toy?

Clean the magnesium plates

Open the main body and remove the reaction unit.

Add fuel

Open the main body and disconnect the attached tubing.