EV3 Robot models for education - Educator Rover and Riley Rover

The programming blocks for the EV3 to move the motors uses instructions to turn the motor according to
(a) how many turns the motor rotates
(b) how many degrees the motor moves

However when a rover model with 2 wheels are constructed, whether the rover moves forward, turn right or left and the amount it moves forward or turn would be different from what you input in the blocks. To learn, we have to construct an actual rover to experiment how the rover moves when we program it differently.

There are 3 rover models you can construct, one proposed by LEGO (Educator Rover) and one proposed by Damien Kee (Riley Rover) the links given below:

LEGO Educator Rover

Damien Kee's Riley Rover for EV3.

Update: Acknowledgement to Damien Kee: The robust and relatively quick to build Riley Rover was designed by Damien Kee but wasn't called "Damien Rover". Instead it was named Riley Rover as Riley is the name of his eldest son. So now you know where Riley Rover got its name!

Mamien Kee's Quick Build Rover for NXT