human
What's a good way to make a sand castle?
assistant
A good way to make a sand castle is to start by gathering the necessary materials. You will need sand, water, and some kind of binding agent such as flour or baking soda. Then you can begin building your structure with the wet sand. Use your hands to shape it into whatever design you want. Once you have built up the basic shape, use the binding agent to help hold everything together. Finally, use additional sand to fill in any gaps and add details like windows and doors if desired.