Consumables And Components , In4001 Diode , Zener Diode ( 6.2V ) , Sl100 Transistor , Bc107 , Ic741 , Led Multicolours , Transformer ( 12-0-12 ) , 1A , Ic555 , Ic 7400 , Ic 7402 , Ic 7408 , Ic 7432 , Ic 7404 , Ic 7486 , Ic 7410 , Ic 7473 , Ic 7411 , Ic 7474 , Ic 7476 , Ic 7483 , Capacitors ( 0.01Uf, 0.01Uf, 0.001Uf ) Each , Dc Battery 9V , Dc Battery ( Aa & Aaa ) Each , Screw Driver Set , Mono Plug 6.35Mm To 3.5Mm 4 Pole Stereo Audio Jack 5M Amplifier Cable , Speaker Cable With Pre-Attached Spade Connectors ( 120 Meters ) , Long Tester , Otg Drives 3.0 ( 64Gb ) , Male To Male Jumper Wire 20 Packs , Toner M202dw Compatible , Toner L11121e Compatible , Toner Hl-L2361dn Compatible , Tonner Mp2014 Original , Tonner Ml-1866 Compatible , 3 Core Wire 1.5 Mm ( One Coil ) , Esp8266 Node Mcu , Optical Fingerprint Sensor , Raindrop Sensor, Heartbeat / Pulse Sensor, Servo Motors, 28Byj-48 Stepper Motor Each , Ds1307 Rtc , Pir Motion Sensor, Hc-Sr04 Ultrasonic Sensor, Moisture Sensor, Mq-2 Gas Sensor Each , Lcd Display, Buzzer And A 4×4 Keypad Each , 8 Channel Dc 5V Relay Module , 5V Single Channel Relay Module , 100Rpm Dual Shaft Bo Motor With 65Mm Robot Wheel-Pack Of 4 => Limited