The Hippo Water Roller Project aims to improve global access to water by making it possible to collect 24 gallons (90 liters) of water- five times the amount possible using traditional methods - in less time and much more easily. The 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.
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