SMART LEARNING: Store Smart Learning Robotics IOT comes with all the components required to learn at basic to advance levels. 4 ROBOT CARS can be built like (1) Line Following Car (2) Obstacle Avoidance Car (3) Light Following Car (4) Bluetooth Controlled Car BASICS: Now you have peace of mind to learn basic to advance levels with just one kit. QUALITY: High-quality components and modules are supplied with the kit. All DC motors are pre-soldered. Wires for the Bluetooth module in the L293d motor shield are also pre-soldered. Just one single battery holder with an ON-OFF switch EASE OF USE: You can download the guide and source code for all projects using the link provide with the kit. Detailed tutorials which are self-explanatory PACKAGE INCLUDED 1 x Uno R3 Board 1 x ESP01 1 x NodeMCU ESP8266 1 x 7 Segment 1Digit 1 x Breadboard 400 points 2 x Push Button with Cap 1 x Potentiometer 1 x IC 74HC595 2 x Transistor-PN2222 5 x LEDs (Red, Green, and Blue each) 1 x DHT11 Module 1 x Active Buzzer 1 x Passive Buzzer 1 x DC Motor 1 x SG90 Servo 1 x HC SR04 1 x RGB Led Module 1 x HC-05 Bluetooth Module 1 x 1602 i2c Display 1 x Resistors 40 x F-F Jumper Pins 40 x M-F Jumper Pins 40 x M-M Jumper Pins 2 x Line Sensor 2x Diode - 1N4001 1 x Relay Module 2 x Photoresistor (LDR Module) 1 x L293D Motor Shield 1 x Battery Holder 6-Cell 1 x Ultrasonic Sensor Holder 1 x 2WD Car Chassis Screws,nuts,bolts Box Packing