The most expensive LEGO Technic set to date is the recently released #42146 LEGO Technic Liebherr Crawler Crane LR13000 retailing for a whopping $699.99. The crane also holds the record for being the tallest LEGO Technic model up to this point in time, measuring over 39 in. (100 cm) high, 43 in. (110 cm) long, […]