The Hippo Roller - The Borgen Project
Simple Invention Could Alleviate the Global Water Crisis
Working to bring 'Hippos,' and water, to Haiti - CNN.com
FAQ & Resources • hippo roller
Hippo Water Roller - Lessons - Blendspace
Water, dignity and the Hippo Roller Project - Brand South Africa
Hippo Water Roller Project - Atlas of the Future — Atlas of the Future
Water, dignity and the Hippo Roller Project - Brand South Africa
Students Design Water Barrel That Filters as it Rolls
Hippo Water Roller Project - Atlas of the Future — Atlas of the Future
The Money Show's Bruce Whitfield interviewed Hippo Roller CEO Grant Gibbs for his weekly “ShapeShifter” feature.
The Hippo Roller: A Water Collection Soution
Hippo Roller — Design Life-Cycle
Hippo Roller - Posts | Facebook
HIPPO WATER ROLLER CSI 4
The Hippo Roller: A Water Collection Soution
Cool invention helps make water collection in rural area's much faster and easier!
The Dynapump: clean water and improved irrigation for the Hippo Roller • hippo roller
HIPPO WATER ROLLER CSI 4
Hippo Roller - a South African invention that replaces the bucket - the Awesome World of Things
Hippo Water Roller Project - Atlas of the Future — Atlas of the Future
Design for a Purpose: 10 Revolutionary Designs for a Better World | Water projects, Worlds of fun, Design
The Hippo Roller Improves Access to Water in Africa - BORGEN
Hippo Water Roller Project - Atlas of the Future — Atlas of the Future
