- Script:
- Carl Barks
- Pencils:
- Carl Barks
- Inks:
- Carl Barks
- Colors:
- ? (Western Publishing Production Shop)
- Letters:
- Garé Barks
- Genre:
- funny animals
- Characters:
- Morty and Ferdie; Grandma Duck; Gyro Gearloose
- Synopsis:
- Gyro traps lightning, but finds it too powerful to be used as electric power.
- Reprinted:
- in Uncle Scrooge (Whitman, 1980 series) #196 (April 1982)
- in Carl Barks Library (Another Rainbow, 1983 series) #3 (December 1984)
- in Uncle Scrooge Comics Digest (Gladstone, 1986 series) #5 (September 1987) [reprint title: The Lightning Box]
- in Carl Barks Library of Gyro Gearloose Comics and Fillers in Color, The (Gladstone, 1993 series) #1 (January 1993)
- in Walt Disney's Uncle Scrooge Adventures (Gladstone, 1993 series) #24 (January 1994)
Art submitted on September 1, 1955. Morty and Ferdie were originally drawn as Donald's nephews, but had to be redrawn due to a change in postal regulations regarding characters in back-up stories. Synopsis by Michael Barrier from "Carl Barks and the Art of the Comic Book" (M. Lilien, 1982).