Quantity   Component name
2 × Dc Motors I used small ones but bigger ones will allow it to drive better
1 × Attiny85 chip You could use any micro controller that is capable of controlling motors and an led
1 × L293d Interface and IO ICs / Peripheral Drivers and Actuators
1 × LED Not completely necessary
1 × Wheels For the motors, duh
1 × Prototype PCB Something to put all the components on
1 × A portable energy source thats at least 3 volts