- Press your finger on a smooth, flat surface.
- Sprinkle a bit of powder on the spot.
- Gently brush off the excess powder.
- Place a strip of clear tape on the powdered print.
- Lift the tape off (the print should be visible), and place it on a contrasting paper.
- Find prints around your home! What shape are they? Arches, Loops, or Whorls?