Hippo water roller
Hippo Roller (bidón rodante de agua)
- Date
- 1991 · confidence high
- Place
- Johannesburg, Gauteng, South Africa
- Credited to
- Pettie Petzer and Johan Jonker
- Field
- Tools
What it is
A 90-litre drum rolled along by a handle, instead of being carried on the head. It allows five times more water to be transported with less effort in rural areas without running water.
What it led to
- a reduction in the work of carrying water, especially for women and girls
- design for development
- adoption in more than 20 countries