I was just talking to my brother, Dave, in Baltimore about the Solar Cookery invention  that I wrote about yesterday, and he told me about another invention to help haul clean water - the water roller! Another, “why didn’t I think of that!”

In rural Africa, it is often necessary to walk five miles (8km) or more every day to fetch water. In the dry season, it is not uncommon to walk twice this distance. Collecting water can be dangerous too. The traditional method of carrying water - carrying a 5 gallon (20 liter) water bucket on the head - can severely damage the spine, causing severe pain and even leading to complications during childbirth. In some countries, walking to find water exposes people to the dangers of land mines.

The Water Hippo’s innovative design allows water to be placed inside its “wheel,” transforming 200 pounds (90 kg) of water to an effective weight of just 22 pounds (10 kg). This means that almost anyone can easily manage a full roller over most types of terrain.

A single Hippo carries enough water to meet the basic needs of 5 people per day. Access to sufficient water enables people to practice better hygiene and stay healthy.

BRAVO inventors!– Hippo Water Roller Invented by Pettie Petzer and Johan Jonker, South Africa.

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