Arduino Mega 2560 kit 2

In a paper box:
1pcs UNO R3
1pcs Mega 2560 R3
1pcs HC-SR501 motion sensor
1pcs HC-SR04 ultrasonic sensor
1pcs USB Cable
1pcs 65 Jumper WiRes
1pcs 830 Point BREADBOARD
15pcs led (Red, Green, Yellow)
30pcs Resistance(220R, 10K, 1K)
1pcs 10 Pin Dupont Line(Male to Female)
1pcs Potentiometer 10k
1pcs Active Buzzer
1pcs Passive Buzzer
1pcs 74HC595N
1pcs Infrared Receiving Head
1pcs LM35DZ
1pcs Flame Sensor
2pcs Roll Ball Switch
3pcs 5mm LDR
5pcs Button Switch with Cap
1pcs IR Remote Control
1pcs One Digit 7 segment display
1pcs Four Digit 7 segment display
1pcs 8*8 Dot Matrix display
1pcs UNL2003 Driver Board
1pcs RTC real time clock module
1pcs 1602 LCD display IIC
1pcs SG90 servo motor
1pcs RC522 RFID module
1pcs RFID card
1pcs RFID keychain
1pcs 4x4 matrix keyboard
1pcs joystick module
1pcs stepper motor
1pcs 9v connector
1pcs RGB LED module
1pcs water level sensor
1pcs sound module
1pcs DHT11 humidity and temperature sensor