Trap doors were production design secrets when it came to building one of the toughest games on Netflix's ... the Glass Bridge challenge required players to carefully choose a glass panel.

An arch bridge would certainly work here -- but there's a more appropriate location in Craggy Rock for an arch bridge. Besides, there's a cheaper, simpler bridge type that you can use here.

Justin Janssen, STEM program specialist with the Kern County Superintendent of Schools, joined 17 News at Noon to demo a popsicle engineering design challenge. All you need for th ...