- Aluminum foil pie tin
- 2 paper towel roll tubes
- 1 ruler
- Tape the tubes about 2 inches apart, turning them in slightly to each other.
- About 12 inches from the tubes, set your foil pie tin upright in front of the tubes
- Ask a grownup for help. Have them speak quietly into one tube while you listen closely in the other
Team GCM Creators: Madai + Rebecca