LED array module is the good startup module for those new to programming.
It displays numbers and text (that a 7-segment can show).
16x2 character LCD module
Breakout board for the Darlington array transistor IC of ULN2803
Digital Array Line Sensor
Communication module is a module that combines PS2 type controller and Bee adaptor to control the mobile robot.
Product ID : AD_COMM_V1
