This collection of concrete pots reveals hidden messages when wet by the rain.
The pots were designed to promote urban agriculture and to inspire people to grow herbs and vegetables outdoors, taking advantage of the UK's rainy weather.
The superhydrophobic spray is invisible when dry which means that the text can be seen only during miserable weather. This way, we catch our audience whilst they are experiencing the downpour, encouraging them to make a positive out of what some might see as a negative.