This electronics module starter kit is used to improve the students39 practical ability and develop intelligence and some small creativity also for research and development about how to apply it to life Really cool and perfect for you if you want to get into electrical engineering FeaturesWith over 200pcs components including basic transistor and IC components With a precision potentiometer with better quality 100 compatible for Arduino UNO MEGA Nice starter kit with a fair number of components to play with Perfect kit for college projects in digital logic class SpecificationsColor MulticolorMaterial IronType Set A Set B Set C Set D OptionalPackage Size 13 * 11 * 2 5cm 5 12 * 4 33 * 0 98in Package Weight 53g 1 87ozNOTE1 Please read the corresponding information of kit set ABCD 2 The controller board is not included Package List10 * White LED10 * Yellow LED10 * Blue LED10 * Green LED10 * Red LED1 * RGB LED2 * Photoresistor1 * Thermistor5 * Diode Rectifier 1N40075 * NPN Transistor PN22221 * IC 4N351 * IC 74HC59510 * Button small1 * Active Buzzer1 * Passive Buzzer1 * Precision Potentiometer10 * 22pf Ceramic Capacitor10 * 104 Ceramic Capacitor5 * Electrolytic Capacitor 10UF 50V5 * Electrolytic Capacitor 100UF 50V10 * Resistor 10R10 * Resistor 100R10 * Resistor 220R10 * Resistor 330R10 * Resistor 1K10 * Resistor 2K10 * Resistor 5K110 * Resistor 10K10 * Resistor 100K10 * Resistor 1M2 * Pin Header 40pin