One Idaho Falls man took his hobby to the extreme by building and breaking what he says is the world’s record for the tallest Ferris wheel made out of K’nex pieces. Greg Bayless says with the help of ...

When Greg Bayless saw a video of a 15-foot K’NEX Ferris wheel, one thing came to mind: “I can beat that.” Two years and more than 25,000 parts later, Bayless made his dream a reality.

Which K’nex building sets are best? K’nex are educational construction and building sets that use interlocking plastic rods and connectors to build models, machines and architectural structures.

Standing next to his friend Carol Hickey, Louis Spanier eyed the K'NEX model at the Lancaster Science Factory with curiosity. A replica of an Octopus amusement-park ride, the electric-powered display ...