Materials Mirror or window Different products you can use to draw on the mirror.(e.g. lip balm,shaving cream,hand lotion) Different things you can use to remove the drawings (e.g. toilet paper,water, liquid soap) Tell a story how the water goes cycle from clouds to the ground. Through different kind of layers of soil under the ground. And how it comes our drinking water. You draw and tell at the same time. And children can help to mine drawings. Use the internet to search for more information on the water cycle or about the water supply in different parts of the world. You can find the story from the book Lilus house,Language skill through experiments. By science on stage. Kirsi is one of writer s of the book.