Smart Starter Kits For UNO R3 Compatible with Arduino IDE 5V Relay UNO R3 Board
1 x 830points Breadboard. 1x UNO R3 (CH340G)+ Cable. 1 x 5V Relay Module. 1 x Sound Senson Module. 1 x 9V Battery Connector. 4 x Colour Tactile Switch Cap. 4 x Tactile Switch. 1 x 10K Variable.