Does your Robot look like this?
If it does, go on to Challenge 2 to find out how to teach your Robot to do what you want it to do...
If it doesn't look like the picture below, click on some of the Steps in the panel to the left of this picture, and check the way you have put your robot together...
To go back to the list of challenges where you will find Challenge 2, click on the bottom item of the list to the left of this page...
Tutorial - LEGO MindStorms NXT - How to build Robot 1 - www.DrGraeme.net