The Aim of the project was to build a vehicle that could move forward and can turn left and right. We had to use one NXT Brick, two motors at least I decided to use one more thing which was the ultra sonic sensor.
I made a tank with the tank tracks, I thought it will be really hard to build but at the end with some comments from the teacher it turn out really easy!!
I first made the tank wheels then I attached it to the motors, then I started building upwards so the NXT Brick could attach on top of the beams. I used an ultrasonic sensor for the front.
There was one problem, the tank was so wobbly that it nearly collapsed. It had to be more stable, so then I used some other beams to straighten out the tank frame.
If I had to redo the whole DIY level 2 I will choose to make a car which kind of looks like a 5 minute bot.