Makeblock DIY XY-Plotter Version 2.0 Drawing Robot Kit with Electronics for Ardunio Fan Stronger aluminum extrusion parts than XY-Plotter 1.0, anodizing surface; Dual-way transmission mechanism; Improved pen rising mechanism .Super easy-use stepper motor driver, A4988; Updated main board -- Me Orion(Base on Arduino UNO); Easy-Controlled by draw;