Step 1: Prepare the tracks and parts as per the above picture.

Step 2: Recognize “A1” and “C1” tracks as per the picture above.
(Take note: “A1” is a white single lane track with 1 positive (+) side and 1 negative (-) side.
“C1” is a white single lane track with 2 negative (-) sides.)

Step 3: Recognize the design & direction of track "M" as per the picture above.
(Take note: There are 3 holes on the edge and the zigzag engraving on the
surface of white convex track as per the photo shown above.)

Step 4: Recognize the design & direction of track "K" as per the picture above.
(Take note: There are 3 holes on the edge and the diamond engraving on the
surface of the white convex single lane track as per the photo shown above.)

Step 5: Start with connecting 2 "L" tracks together.