Descriptions:

Fully assembled & tested, no soldering required
It is designed to fit the entire electronics needed for a RepRap in one small package for low cost
The modular design includes plug in stepper drivers and extruder control electronics on an MEGA shield for easy service, part replacement, upgrade-ability and expansion
A number of expansion boards can be added to the system as long as the main RAMPS board is kept to the top of the stack
Size: Approx. 11.5 x 6 cm / 4.53 x 2.36 inch

Package included:

1 x 3D printer controller for RAMPS 1.4