Minecart with TNT

A Minecart with TNT is a vehicle which functions as a movable TNT block through the use of a minecart. The TNT can be activated by hitting an Activator Rail. This will start a 4 second fuse. Minecart will explode immediately if it's destroyed by fire, explosion, crash with another cart or destroyed while in motion. It will also explode after derailing and falling more than three blocks.

Trivia

 * It was, at one point, possible to create an enormous crater using several Minecart with TNT's and having them all detonate at the same time.