This marble will send you over the rainbow in wonder. With the size is about 2.5 inches, this mesmerizing colorful disc captures your attention. Colorful glass cane is used to create a rainbow that floats in the sky. A graphite mold is used to shape the sphere into a perfect marble.
You can watch a video of a similar marble being made:
https://youtu.be/Bn6nYw4nYVQ?si=FhrHMPu2aW8oZPzy