When Tetsuya Miyamoto invented the KenKen® puzzle in his mathematics classroom in 2004, his goal was to improve his students’ problem solving and logic skills. He describes his method as “The Art of Teaching without Teaching,” and his dream is to make the world smarter with his invention.
Today, the KenKen® puzzle is the only puzzle printed daily alongside the New York Times Crossword. Puzzles like these inspire us to apply problem solving and logic in creative ways, letting our minds perform a beautiful dance between their left and right hemispheres.
Blackwing 10001 (壱万壱) pays tribute to Miyamoto Sensei’s puzzles and other creative ways of teaching and learning. 10001 is a numeral palindrome in Kanji as well as in Arabic numerals. It is also tied to one of Miyamoto Sensei’s favorite equations. The pencil features a red stained barrel, firm graphite, gold imprint and unique five-sided “Gōkaku pencil” shape.
Volumes 10001 Details
- Gokaku” pentagonal shape
- Iconic ferrule design
- Red-stained “adzuki” finish
- Cedar casing that sharpens evenly and easily
- Specially formulated firm graphite that writes smoothly
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Express/Courier shipping throughout Australia is FREE once you’ve reached the minimum order total. Pretty cool right?
And…the shopping cart will inform you once you have reached the threshold or let you know just how close you are. It is a very considerate shopping cart. You should buy it flowers.
Every now and then, we’ll run site-wide free delivery promotions, which we’ll announce via our Instagram, Facebook, Twitter or Newsletter. Make sure you’re subscribed/following to be in the know.
Australian deliveries are made by Australia Post, or via courier depending on the size/shape of delivery.
Domestic delivery times are as follows:
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.