water-skimming beetles, sensors, lightweight buoys, and, yes, plastic toys. That's because the team envisions their robot as ...

With this STEM experiment kit, young scientists can explore elements like electricity, currents, and electric potential by building a walking robot powered by salt water and magnesium.

Another simple way to create a water-capable robot is to start with an RC toy. However, Jalcboat already has modifications for things like seaweed-resistant screws, which will be harder to achieve ...