Sign up for an Award
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
PLAY WATER BALL is a design combining water filter and container. For some countries where houses usually have no running water. By having fun that children can play ball with feet or hands, the design can easily make the water of river to be filtered water with centrifugal force. Children are simple to filter water, and have fun.