Rollercoaster Vs Roller Coasters

The rollercoaster starts off with an open rectangular box that drops onto a straight track. The straight track heads into a curve. Then, then a straight track that drops onto another straight track. After that, the marble goes from the straight track to the loop. Next, the marble travels from the loop to another curve. The marble goes from the curve into a funnel that drops the marble onto another straight track that makes the marble drop down into another straight track. Next, the marble goes from the straight track to a curve. From the curve it goes onto another straight track. Eventually, the marble goes from the straight track to a curve. Finally, the rollercoaster ends after the marble goes from the curve to a straight track.