From Pathfinder Lost Omens World Guide, which isn't enabled.

Alkenstar Tinker

BACKGROUND

Attribute Boosts Dexterity or Intelligence, free

Skills Crafting, Engineering Lore

Prerequisite Region - Impossible Lands

Your dedication to the scientific inquiry of your native Alkenstar provides great insight into mechanical and chemical innovation.

Choose two attribute boosts. One must be to Dexterity or Intelligence, and one is a free attribute boost.

You're trained in the Crafting skill and the Engineering Lore skill. You gain the Alchemical Crafting skill feat.

Pathfinder Lost Omens World GuideOGL