vortex ring fog puffer

vortex ring fog puffer


Safety glasses
Dry Ice
Plastic Cup
Multipurpose Sealing Wrap
Rubber Band
Warm water


  1. Cut a 1 inch hole in the bottom of the plastic cup
  2. Cover the main opening of the cup with sealing wrap and put the rubber band around the rim of the cup to hold the wrap in place.
  3. Place a few small pieces of dry ice in the small hole of the cup.
  4. Pure a small amount of warm water into the small opening.
  5. Hold the cup at an angle and flip the sealing wrap with your finger
  6. Watch the small rings of fog puff out.

grandpa’s thoughts:

This is just cool to see the fog rings and the grandkids will have fun making fog puff rings.