A Science Fiction Story Bundle from the collection There's a Sword for That.
Xenoarchaeologist Vartan has promised his young daughter Liza one of the many enigmatic lamedh objects that litter the site of a vanished alien civilization.
No one can figure out what they're good for, but Liza finds a use for one.
The Webster Marble Deluxe Woodsman, Model 820-E, has been offline for quite some time. Quite some time indeed.
Good thing Webster has a manual to consult, and a great many special functions.