From Pathfinder #154: Siege of the Dinosaurs, which isn't enabled.

Explosive Furniture Trap

HAZARD 12

Stealth +20 (expert)

Description Wiring keeping the furniture together unravels, causing the spring-loaded pieces of furniture and wire to shoot outward.

Disable DC 34 Thievery (expert) to identify and harmlessly cut the taut wiring

AC 33; Fort +25, Ref +19

Hardness 21, HP 84 (BT 42); Immunities critical hits, precision

Unsprung Wires

Trigger A creature moves within 5 feet of the pile of broken furniture

Effect The pile of furniture and entangling wires explodes outward. The trap deals 6d10+27 slashing damage (DC 32 basic Reflex save). On a failed save, the target takes a –10-foot penalty to all its Speeds for 1 round (1 minute on a critical failure).

Pathfinder #154: Siege of the DinosaursOGL