Mechanical Cart

The Mechanical Cart is an expert only item made from the expert rewards from the Mechanical Bosses. It fires lasers at enemies in front of it and also goes significantly faster than most, if not all, other methods of transport available to the player. It goes 102 mph according to the Stopwatch.

Tips
Although an expert only item, the Mechanical Cart can be used in non-expert worlds when equipped. (Possibly a Bug)