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The PlayPump, a water pump driven by children playing on a merry go round, is a startlingly simple and effective innovation that addresses many major development challenges at the same time. It offers a renewable, self-sustaining system for supplying uncontaminated water to a community, it frees women and children from collecting water, allowing girls to go to school, and it attracts children to school because the merry-go-round is inside the school yard.
Operating much like a windmill, the merry-go-round powers a pump system that propels water from underground and stores it in an overhead 2500 litre capacity storage tank. The stored water is accessed via a regular faucet with the turn of the handle. The tank provides space for advertising that also funds the system’s maintenance costs. Four billboards on the storage tank carry education, health and consumer product messages. As an early supporter, Coca Cola used the space to raise awareness about HIV/AIDS.
The PlayPump can pump up to 1400 litres per hour with less effort than other manually operated pumps. A PlayPumps system, including equipment, testing, setup, installation and training, costs US$14,000. Drilling a new borehole costs between US$5,000 and US$10,000. To keep costs low, PlayPumps encourages a collaborative model that involves government and NGO participation.
The organizations behind the PlayPump offer a unique business model for development projects. While the NGO, PlayPumps International, relies on partnerships with local governments, corporations and the non-profit world to supply the boreholes and provide funding for the pumps, its counterpart, Roundabout Outdoor installs the pumps, sells the advertising, and guarantees that the pumps are maintained.
PlayPumps International has successfully installed more than 1,000 PlayPump systems in
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