How to Paint Watercolor Floral Handmade Cards! I am taking an old project and trying it again to see how far I’ve come. It’s a great practice to have milestones to look back on and see where you’ve been. Enjoy the journey, embrace the process and remember where you began. Learn how to paint a watercolor floral handmade card using American Tombow Inc. Art Supplies! This was posted previously on the Tombow blog as part of their Design Team. This project pictured below was a post I did in December of 2018 when I was a Brand Ambassador for Tombow. I’m so happy to be part of the Design Team now and I’m excited to revisit this project. I still think it turned out great, but I’m excited how much my watercoloring and hand lettering has improved in a year and a half. Supplies Needed for Watercolor Flower Greeting Card: Tombow Dual Brush Pens (I use colors: 055, 725, 905, 535, 296) Tombow Blue Fudenosuke Brush Pen Watercolor paper (Card Size 8.5X5.