Should the very special Sharpie you received with Fearson's Intuition System ever run out, we've got replacements!
This modified Sharpie marker is suitable for use with the Intuition System, or anything you might dream up using the principle.
No instructions included, designed for use with Fearson's Intuition System
Just $12 shipped to your door anywhere in the world. Order 2 or more for just $10 each! And we'll ship them all for FREE!