Step 1: Side Views

This truck and trailer has a motor. The motor goes three times faster than the normal K'NEX motor. I tried to take a picture of it moving but the picture was blurry.

Step 2: How to Build It

What I used,thirteen half pieces,four full pieces,sixteen corner pieces,twelve yellow bars,sixteen blue bars,twenty six end clips,fourteen little green connectors,two miny corner pieces,four big to miny connector pieces,one miny purple bar,two miny end clips,six wheels, four long red bars,six short white bars,eight silver rings,eight short blue rings,three black stubby single clip on connectors & six wheels.

Also thank you for reading and have a good rest of the day.