Holes in Water

 talcum powder

 water

 liquid soap

 a bowl

1. Fill the bowl with water

2. Sprinkle talcum powder on the surface of your water

3. Put a finger in the water.

If you touch the surface, it deforms and your finger doesn’t get wet.

4. Put your finger in soap and then put it in water.

When you put your finger first, it removes the talcum powder. Then the finger will leave holes in talcum powder.