n medium animal 

Perception +6; darkvision

Skills Acrobatics +6, Athletics +2, Stealth +6

Str -1 Dex +3 Con +1 Int -5 Wis +1 Cha -4

AC  15; Fort +7, Ref +6, Will +2

HP 8

Speed 30 feet, climb 30 feet

Melee [>] mandibles +6 (finesse), Damage 1d4 - 1 piercing plus giant centipede venom

Giant Centipede Venom (poison) A target that takes damage from the centipede's mandibles Strike must succeed at a DC 14 Fortitude save or take 1d10 poison damage.

Beginner Box, page 59. Reprinted in TiO.