There is nothing on the Rkit inventory list described as "Vex motor connectors".
Can you be more specific? (use Rkit list descriptions below)
To which of the 2 ends do you refer to?
Here are some items from the Rkit inventory list:
Sensor wires with screw terminals 3wires
Sensor wires w screw terminals 2wire (white black)
Cortex Microcontroller mod with red/black plug
Motor Controller 7.2V 4A (MC#29)
Servo Power Adapters (resistor wires)
24" servo extension wire
40" servo extension wire (or 36" or 1m)
Motor cables with screw terminals 2wire (red black)