Cable Car. Each model features AMAZINGLY detailed laser etching and averages 8-12 pieces laser cut onto a 4 square sheet of thin metal. Makes an excellent gift for tween boys and men of all ages with average assembly time only 30 - 45 minutes!. The San Francisco cable car system is the world s last permanently operational manually operated system in the US and is among the most famous tourist attractions in the city along with Alcatraz Island and Fisherman s Wharf. Cable cars operate on two routes from downtown near Union Square to Fisherman s Wharf and a third route along California Street.