Layered Opaque Rainbow Countdown d20, a limited edition 55 mm collector's die created in small quantities.
This collectible d20 is 55mm (a little over two inches) across, and is made with a unique process that creates layers of color within the die itself. The die is big with easy-to-read numbering that is sequenced in the countdown format. Only 250 of this die produced due to the complicated manufacturing process. A true collector's item