Travel Guide > About:Index > About:The Hippo Roller Challenge
The Hippo Roller Challenge is a wiki travel guide challenge designed to raise funds to buy hippo rollers for rural impoverished communities with limited access to water.

The hippo roller is a large drum that can hold 90 litres (24 gallons) of water and can be pushed along the ground, making it much easier to transport clean drinking water. It's a simple technology that has the capacity to make a huge difference in places where water is scarce.
For more information about hippo rollers, see the official website.
The way this challenge works is very simple: The more people contribute to our wiki travel guide, the more hippo rollers we will donate. There are six milestones along the way, and whenever we reach a milestone, we'll donate a designated number of hippo rollers. Here's how it breaks down:
The challenge will run from November 2 to February 28. If we've reach 20 million characters in the wiki travel guide, we will have donated 63 hippo rollers! At US$ 105 each, that's a total donation of US$ 6615!
So you want to get involved, right? If you're not sure how to get started, here are a few good starting points:
If you've never written for the wiki travel guide before, here are some great guides to help you get started:
This is version 5. Last edited at 8:54 on Nov 23, 09 by Sam I Am (+28). No articles link to this page.

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