From Pathfinder Beginner Box: Secrets of the Unlit Star, which isn't enabled.

Spear Launcher (BB)

HAZARD 2

Stealth +10

Description A wall socket loaded with a spear connects to a floor tile in one 5-foot square.

Disable DC 18 Thievery on the floor tile or wall socket.

AC 18; Fort +11, Ref +3

Hardness 8, HP 32 (BT 16); Immunities critical hits

Spear (attack)

When pressure is applied to the floor tile, the trap shoots a spear, making an attack against the creature or object on the floor tile. The trap makes a ranged Spear attack.

Melee Spear +14, Damage 2d6+6 piercing

Pathfinder Beginner Box: Secrets of the Unlit StarORC