Rey's Brain

Rey's Brain is a quest item $$

Gameplay
It is one of three possible replacement brains for Rex in the quest Nothin' But a Hound Dog. If it is used as a brain for Rex, he will have an increase in attack power.

Location
It can be bought from Old Lady Gibson at Gibson Scrap Yard for 700 Caps (free with a Barter check of 70). This item can also be gained by killing Old Lady Gibson's dog Rey and taking it off of his body.

Related quest

 * Nothin' But a Hound Dog