I saw Adafruit's weekly New Products video for 1/6 and I saw the robot chassis kit they had. I thought that was cool and decided to build a robot, without consulting any kits or anything- just my minimal knowledge of electronics and my less minimal knowledge of programming.
Components
1×
10uF 50V Electrolytic Capacitors - Pack of 10
https://www.adafruit.com/products/2195
1×
UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output
https://www.adafruit.com/products/1385 Much better than the 7805s that made my room into a battery graveyard.
2×
Wheel for Micro Continuous Rotation FS90R Servo
https://www.adafruit.com/products/2744
2×
Continuous Rotation Micro Servo - FS90R
https://www.adafruit.com/products/2442 I couldn't find these anywhere else no matter what
1×
6 x AA battery holder with 5.5mm/2.1mm plug
https://www.adafruit.com/products/248