i did a project on the lack of clean water in india, so it was interesting to see this new design solution; the hippo roller by project h design, a simple barrel of recycled materials, grooved for traction and designed to roll over rough terrain using a simple push handle. the hippo rollers sides taper up at the ends to minimize its contact with the ground, making it easier to roll. the top and bottom of the barrel are rounded so that the barrel can be tilted upright with less effort than a barrel with a flat bottom. its such a simple solution to a very basic problem, but can make a huge difference to peoples lifestyle.
