The LEGO CITY Mining Heavy Driller (60186) is a 294-piece set released in 2018 under the LEGO CITY theme. Designed for ages 5-12, this set features a mining heavy driller with a unique design that allows children to engage in imaginative play. With a height of 2.6 inches and a length of 15 inches, this set provides hours of entertainment for young builders as they construct and play out mining adventures.