Unfortunately Goliath has no sympathy for electronics. They're tools. They can be fixed. They are not to be afforded care, not when everyone Goliath afforded his care is long dead or vanished, probably collecting dust in the far reaches of space.

"That is true. Then I will return in time close enough to a week to check your progress."

Billy could deliver the device, but Goliath does not, under any circumstances, allow humans - or anyone else - in his castle. There have been arguments upon this point, but none he has yet conceded.