This kit includes everything you need for to use Arduino UNO REV3. The package includes: Arduino UNO REV3, USB cable, Breadboard 400 pins, Motor 3 Vdc 350 mA 14200 rpm, miniature relay 12 V, photoresistor, 2 pcs. LED RGB, 3 pcs. LED red 5 mm, 3 pcs. BS170 NMOS 50V 0,5A, Connector Strip male 40 pins 2,54 mm, confection of 10 Jumper male-male black, confection of 10 Jumper male-male red, 3 pcs. of mini push-button for PCB, transistor NPN BC547B, potentiometer 10 kohm, slide potentiometer 10 kohm, display LCD 16x2 with backlight, 5 pcs. resistor 330 ohm 1/4 watt, 5 pcs. of resistor 180 ohm 1/4 watt, resistor 100 kohm 1/4 watt, 2 pcs. resistor 4,7 kohm watt, Buzzer for PCB without electronic, micro servo 9 grams -23x12,5x30 mm, diode 1N4007.