NOTE: PLACE THE FINISHED PRODUCT IN A SAFE PLACE TO KEEP CHILDREN FROM REACHING IT.
What you actually need for this tutorial is any plastic substance that would melt easily in plastic cement.
images above from YUTAKA
Here's the runner they used for this tutorial.
Place the cut pieces of the runner in a glass container.
Soak the pieces with plastic cement, and give it time to melt.
Once the plastics melts, the finish product should look like this
The glow effect is provided by a black light.
TUTORIAL CREDITS TO YS_HONTEN