The High Intensity Explosives Workshop, called High Explosives Workshop in BMC Mobile, is a Special Building required for research of the Spiked Mines and the Bloon Impact upgrades. It costs File:City cash.png25000 to build it takes 48 hours to construct, and gives 500XP when construction is finished. It consumes File:Lightning thing-0.png40 and a 1x1 tile space. It requires Level 20 to unlock.