Wooden Bullets Trap

Level 3Hazard (Complex)
HazardMediumLegacy
AC
10
HP
50
Speed
0 ft.
Perception
+0
Fort
+15
Ref
+5
Will
+0
Stealth
+10
Recall Knowledge DC 18 (arcana)
Disable DC 17 thievery (trained) to reinforce the porch pressure sensor or DC 15 crafting (trained) to cover the holes launching the bullets

A hopper full of wooden sling bullets is attached to several launching devices, which spew the bullets at high velocity through various holes in the boards covering the window. A distinctive "click" and whirring sound indicate the trap has been sprung.