***** **********Best Quality Guranteed. *****More than 200 components, this is the most complete starter kit you will find. Great value starter kit with 63 kinds of electronic components. *****Has all the components you need and a free PDF tutorial (more than 30 lessons) to show you how to use them. All code to use the modules is included on the CD. *****All the modules come soldered so they are easy to wire up. *****Includes R3 controller board and USB cable, 100% compatible with Arduino IDE Official R3, Official kit. *****Kit comes packaged in compartmentalized case with a bonus box for small parts like LEDs, ICs, buttons, diodes, etc.