Step 1: Prepare the tracks and parts as per the above picture.
The track "A3" can be found on the try me

Step 2: Prepare all assembled features: 2 sets of “Orbit G-Loop”,
“Cyclone Roller”, “Spiral Twister” and “Half Pipe”.

Step 3: Place 2 sets of Orbit G-Loop in the position as above picture.

Step 4: Connect 2 “E” tracks together.