You will need:

1. Imprint materials, such as shells, hands, feet.
2. Wet sand.
3. Plaster of Paris, or candle wax & wicks.
4. Make an imprint in wet sand with shells, hands feet, juice cans, and the like.
5. Pour Plaster of Paris or melted candle wax into the imprint. (Insert wick if using candle wax.)
6. Remove wax or Plaster of Paris when cool and hard.