When first struck, the electric arc sounds like gunfire as it leaps and breaks. The flash is like lightning during a severe thunderstorm. Viewed through a sight glass with a pair of protective glasses, the entire mass appears to be boiling as its heated to 3,000°F. All the while, the wailing, screaming, roaring noise never stops. The cost-effective electric furnace is the backbone of a modernized steel works. They're also the heart of mini-mills, built in various parts of the US, that create new steel from scrap. As impressive as the real thing, our kit includes the furnace with electrodes and other interior details. Craneways accommodate the Heavy-Duty Overhead Crane (933-3150, sold separately) and spreader bars and monstrous J hooks are included to convert the crane for steel service. With its modular construction and optional cut-out end doors, its a snap to create a custom building. 12-5/8 X 11-3/4 X 12" (31-1/2 X 29-2/5 X 30cm)