Arduino UNO R3 starter kit has:
Actuators:
Stepper motor
servo motor
16x2 LCD display
4 digit 7 segment display
Active piezo electric buzzer
Passive piezo electric buzzer
8x8 led matrix
1 digit 7 segmrnt display
4x4 matrix led
Green LED x5
Red LED x5
Yellow LED x5
RGB LED
Sensors:
Ultrasonic sensor
sw520D tilt sensor
Infrared receiver
Flame sensor
Im35 temperature sensors
LDR X3
Passive Components:
1k ohm resistor ×10
10k resistor ×10
220 ohms resistor ×10
5K potentiometer
push buttons x5
push buttons cap x5
Active components and modules:
SN74HC59N 8 bit shift register IC
Stepper motor driver
relay
Infrared Remote
Full size Breadbord
Male to female jumper wires
5K potentiometer
9volts battery jack
DHT11 temperature and humidity sensor
Joystick module
Real-time clock module
RFID module set
Sound detection module
Water sensor