This Kit includes 1 x Atmega mini V3 Board which is a hardware platform for evaluating the Atmel ATmega microcontroller. The evaluation kit comes with a fully integrated debugger that provides seamless integration. The kit provides access to the features of the ATmega enabling easy integration of the device in a custom design,1 x Robohaat Chassis which is a High Quality Rigid Frame Work for mounting the control circuits.Chassis Board is the mechanical frame structure of the mobile robots. It is the backbone of the robot,2 x Robohaat IR sensor which is a multipurpose infrared sensor which can be used for obstacle sensing, line sensing, etc. and also as an encoder sensor. The sensor provides a digital output. The sensor outputs a logic one (+3.5V) at the digital output when an object is placed in front of the sensor and logic zero (0V), when there is no object in front of the sensor. An onboard LED is used to indicate the presence of an object. This IR proximity or obstacle sensor is designed to work with almost all Arduino boards and microcontrollers – AVR, PIC, 8051, 2 x ARM BO motors which is a Single Shaft Plastic Gear Motor – BO series L Shape motor gives good torque and rpm at lower operating voltages, which is the biggest advantage of these motors. Small shaft with matching wheels give optimized design for your application or robot. Mounting holes on the body & light weight makes it suitable for in-circuit placement,2 x Bo motor wheels,7.2 cm BO wheel is suitable for BO motor provide help in motion of the robot,2 x Metal castor wheels that help to rotate or in changing direction when instruction is given or sense obstacles,6 x F to F jumper jumper which are good to wire harness or jumpering between headers on PCB’s. These premium jumper wires are 8″ (20cm) long. They have 0.1″ female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1″ (2.54mm) header,Nut bolt that is Used for set all the component on the Chassis Bo motor mounting nuts bolts,8 x Sensor nuts and bolts,4 x Plastic studs ,2 x Nut bolt for battery holder 6 x Nut bolt for castor wheel,1 X aa battery holder.