Christy Boone shows Billy Shallcross, Ruth Shallcross and fourth-grader Sierra Shallcross how a 3D printer works during presentations Friday at Middlesettlements Elementary School featuring science, technology, engineering, art and mathematics. Brody Webb, a first grade student at Middlesettlements Elementary, tries to levitate a ping-pong ball by blowing through a straw during Friday’s STEAM Night.