Quantity   Component name
1 × 4xAA battery powered cheap remote controlled car toy (for chassis and drive motor/gearbox
1 × 7.4V LiPo battery from an old RC helicopter More Oomph for your toy :-)
1 × Pro Trinket Board. Hackaday 10th anniversary edition of course :-) http://store.hackaday.com/products/trinket-pro-with-black-solder-mask-and-the-hackaday-io-logo
1 × Generic PS2 wireless DualShock controller "generic" as in "cheap"
1 × L298N based motor driver search for "L298N" on eBay
1 × A little servo like this one: https://www.adafruit.com/products/169
1 × 128x64 SSD1306 OLED Display (I2C) https://www.adafruit.com/products/326