Faber-Castell Aqua Pencil - Light Blue Watercolor Pencil
US$2.50
Faber-Castell Aqua Pencil - Light Blue Watercolor Pencil
Unfortunately the Stabilo Pencil has gotten very expensive and hard to find. So I found this one and it is actually less expensive and readily available. I hope so at least.
I find it works just as well and the Stabilo Pencils