A 13-year-old teen boy and his family recently completed a 20-foot-tall replica of Six Flags Great Adventure’s iconic Kingda Ka rollercoaster. Brett Kohlberg, of West Caldwell, spent three months ...

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.

AVON LAKE, Ohio -- George Wilcox was bored in retirement. Some guys might take up pickleball or golf. Not Wilcox -- he bought some K’nex blocks and started building a moving replica of a Ferris wheel ...