What’s YOUR amazing water-saving innovation? Come up with one really cool, original idea for saving water at home!

Here are our winning answers!

The whole world can be viewed in terms of geometrical shapes. An orange is a sphere, books are rectangular and bottles cylindrical. Some may be more complicated, like the rhino above!

Now you pick a complicated photograph or picture and try to divide it into various geometrical shapes.

What do you think of Brainwave? How would you like us to improve the magazine?

Send us your opinions in less than 100 words to brainwave@ack-media.com.

And our winning entries are…