The volume 10001 pencil is a tribute to Miyamoto Sensei’s favorite equations, as 10001 is a numeral palindrome in Kanji as well as in Arabic numerals.
This particular edition features the following
Translated from Japanese "Gōkaku" means "passed", and in Japan it is tradition for graduates from the Miyamoto Mathematics class to receive Gōkaku pencils.
The Blackwing pencil was developed in 1930, and has been used by some of the most legendary Grammy, Emmy, Pulitzer and Academy Award winners to date. This includes John Steinbeck, Stephen Sondheim, and Chuck Jones (who proudly used Blackwing pencils to create Bugs Bunny and countless other Looney Tunes characters). In 1998, the Blackwing pencil was discontinued, but not forgotten. In fact, fans began paying as much as $40 per pencil on eBay. Artists from around the world urged Palomino Brands, another premium pencil brand to pick up selling the Blackwing pencil...And they did! Today, many claim the Blackwing pencil to be the best writing utensil in the world.