Tamas.tv
Design unit Tamas produces all KOLME characters and related designs.
Tamas.tv is their official website, where you can find a blog which is updated slowly, but surely.Check it!
Snowbugs.jp
Tamas is managed by this company.
Don't hesitate to contact them if you are interested in acquiring the licenses of Tamas's design works.
Upsold.com
You can buy Kolme goods from this website.
We recommend this website if you live in Japan.
Cafepress.com
This is another website for Kolme goods. It's all in English.