Quantity   Component name
1 × Small USB Keyboard Keyboard ripped out of cheap Chinese tablet cover
1 × 4.3 inch rear view monitor Reversing monitor TFT LCD with composite video input, and runs off 12v.
1 × Raspberry PI Zero Smallest Raspberry pi
1 × 7.4v 1300 mah RC LiPo Unfolded 2s Lipo glued or taped flat
1 × 5v stepping voltage regulator , Stepping voltage regulator takes 12v - 5v in and outputs clean 5v.
1 × Patience You will need alot of this, 3D prints take a while....
1 × Nano 802.11 N wifi adapter