Filling Your Entire Backyard With a Giant K'nex Roller Coaster Beats Waiting in Line at an Amusement Park

The original 2,400-piece K'nex roller coaster is one of the holy grails of '90s toys. And for some, it inspired a lifetime obsession with building scale model thrill rides. YouTube's CoasterWriter has taken the hobby to its extreme, building a backyard-sized K'nex coaster featuring a towering 10-foot tall main drop.