MET 020218 STEM THCM 1

Tribune-Star/Joseph C.Garza
This little guy is persistant: This little guy is persistant: Area 5188 member Devon Langley helps 2-year-old Sebastian Zavala build a model with popsickle sticks and paper cups that will demonstrate a chain reaction on Friday at the Terre Haute Children's Museum.

MET020218STEMTHCM