If you like you use markers with your stamps for watercolor effects, try these. They are quite juicy markers and they move nicely with a waterbrush. I love the palette and the durable plastic nib found on the fine tip end (these are dual tip markers).
I started out with only a small set of these from Hobby Lobby and am adding to them via SB.com store. I had only tried the regular felt tip markers and I must say I like these so much better. Love the dual tips but I mostly use the large end. I hope to eventually improve my ink coloring at least a little bit via the tutorials :o)