Size is as-packaged, or the diameter of loose marbles. ("D" is the diameter of round items other than marbles.)
Micro peewee corkscrews, unsigned of course, by Jennifer Wilson of Crystal Myths. Light blue base has dark blue spiraling. Every other dark blue strand contains dichroic.
This work will be custom made to order, may vary slightly from the example(s) shown & will ship separately from the rest of your order direct from the artist. Please allow up to 4-6 weeks for delivery.