Quantity   Component name
12 × 180-degree servo motors (MG90S) For legged and wheeled robot base
4 × 360-degree servo motors For wheeled robot base
1 × Micro SD card Not necessary if you do not use MicroPython and Block programming
2 × Joystick module For game console base
2 × 3-pin button module For game console base
2 × 18650 batteries Any capacity works
1 × I2C OLED display For game console add-on