Instructions:

Step 1: First of all, make a shape out of earth.

Step 2: Heat the sand.

Step 3: Afterwards, make a thick, sticky liquid.

Step 4: Drip the hot liquid on to the shape.

Step 5: Let it cool.

Step 6: Then, cover the shape completely.

Step 7: Wait until it is hard.

Step 8: Finally, pick out the earth from the middle.