8. Adding a Swivelling Axle for the Back Wheel.

To see how to put together the swivelling axle: (Video ;).

This image and these videos are displayed by kind permission of Miss Yaya Lu.

LEGO MindStorms NXT Robot Tutorial - Challenge 48 - Building a More Compact LEGO NXT MindStorms Robot - step 8 of 12 - www.DrGraeme.net