H2o STEM Toys

Build a hydraulic Robot Arm with the POWERplus Octopus kit.No batteries or power adapters needed – it runs on water!Impressive range of motion with gr...

Thunderbird Salt Water Powered Monster Car4 wheel drive function. Suitable for ages 10 and aboveThe Thunderbird is salt water powered Monster Car with...

Amazing salt water fuel cell powered Buggy car kitNo batteries, powered by a few drops of salt waterSuitable for ages 10+Replacement fuel cells are av...

The POWERplus Marlin is an amazing model car that is powered by salt water. It uses the latest in fuel cell technology to power the car as it needs on...

Amazing salt water fuel cell powered Buggy car kitNo batteries, powered by a few drops of salt waterSuitable for ages 8+Replacement fuel cells are ava...

Do you love Bubbles?Blow a Giant or Unbreakable Bubble with this amazing set. Play lots of Bubble tricks on your friends and learn about the science o...

Packed full of interesting water purification experimentsLearn the science of cleaning and reusing dirty waterBuild your own water filtration and desa...