The kit with Twin Tip is a pack of 4 pens. The pens have double tips with different varieties on each end. Here you get the opportunity to test models of pens that really stand out. It's brush pen, dot pen, calligraphy, bullet and above all the scroll is really fun! It has an odd tip that is cut in a special way. The scroll/brush is also available in a 4-pack. Urban sketching is a movement that started in 2007. It's about drawing what you see and that it shouldn't be perfect. It's about stopping and looking at details. Tombow have a kit on this theme with mixed pens. From Tombow there are several different kits with different themes. Partly that learn lettering, but also to paint with ABT Dual brush as watercolor and finally to learn blending in combination with lettering. It is a technique where you can mix different colors, creating effects with different shades. Botanize around here on mixed pencil kits! You will probably find about several techniques that can be fun to learn. Appreciated gifts for the creative!