It took Greg Siener and his best friend Mike Zumer three tries to build a retaining wall in his backyard in 1996, during which Siener had a thought.
“We jokingly said, ‘you know, if we had some big ole damn Legos, it would make this job a whole lot easier,” Siener said. “And we laughed.”
While just a joke at first, the thought weighed on him. The next day, he drew out the idea by hand. At the time, Siener and his brother Steve ran a company that did automation controls and electrical…
