If you also need a main board to work with this kit, pls kindly check below link: UNO R3 Atmega 328P ATMEGA16U2 Controller Board for Arduino Mega 2560 ATmega2560 16U2 development Control board for Arduino
Kit list 100R resistor *10 220R resistor *10 330R resistor *10 1K resistor *10 10K resistor *10 100K resistor *10 4.7K resistor *10 47K resistor *10 100PF ceramic capacitor *10 10NF ceramic capacitor *10 100NF ceramic capacitor *10 22PF ceramic capacitor *10 10UF electrolytic capacitor *10 470UF electrolytic capacitor *10 Red LED *10 Green LED *10 Yellow LED *10 Blue LED *10 Black Button *8 Big buttons blue cap *2 Big buttons red cap *2 Big buttons yellow cap *2 Big buttons green cap *2 10K precision adjustable *1 Tri-color plug-in components *2 Active buzzer *1 Passive buzzer *1 1*40 Pin header *1 Resistance card *1 400 hole breadboard *1 Dupont cable *30