Features: Upgrades your 3D printer with this comprehensive kit, featuring the Mega2560R3, Ramps 1.4 controller, and A4988 stepper driver module. Easily wire up your printer with the user friendly RAMPS system. Connect the extruder heatingcoil, thermistor, stepper, and endstops effortlessly for a seamless printing experience. Designed for 3D printing enthusiasts, this kit is perfect for those looking to enhances their printer performances and capabilities. It is relatively simple to wire up the RAMPS. Just add the extruder heating coilwire to D10, the thermistor to the two T0pins on middle right right, and wire up the steppersand endstops. From left to right, wire all of the stepper motor's wires as red, blue, green, and black or red, green, yellow, blue into the pins next to the Pololus. When you connect the wireto the endstops make sure you matchthe labels Specifications: Item: 3D Printer Control Board DIY Kit Model:Reprap Ramps 1.4 Controller Kit Material: Plastic Size:As Pictures Note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolut Package includes: 1PC Ramps 1.4 Control Board 1PC 12864 LCD Control Panel 1PC Mega2560R3 1PC USB Cable 5PCs Green or (Red) A4988 Module with Heatsinks