First make sure that there is not naked earth surface available nearby.
1. Wait for it to get dark, so that no one can see me.
2. Get ready the tools, empty pot for the sand, a large bin of hot water, and spoon.
3. Go to the snow-coverd volleyball playground, and pour hot water there.
4. When the snow and ice melts and sand shows up, dig it with spoon and put it into the sand pot.
5. Leave the "crime scene" as soon as possible.