It rolls automatically when you turn it on.
Can't get a movie sorry :-(
Step 1: This Is the Main Wheel Thingie
As you may have noticed, you might have to change a few things up along the way
1. the last segment uses blue and yellow rods instead of ed and yellow ones.
2. you have to improvise on four different places to make the inner frame fit.
Step 2: The Frame Thingie That Supports Te Engine Thingie
Step 3: How to Fit the Inner Frame In
Look at the picture.
do this twice.
Step 4: The Core
Step 5: Almost Done
That's it. If you don't think these instructions are good enough, deal with it. :-p
Thank you for looking at this instructable, please check out my other crap soon.