Markers

Faber Castell Metallic Color Marker Set Of 6 Pieces Decorate light, dark or colorful paper or even smooth surfaces, such as plastic, foil, porcelain, glass and metal, with a premium metallic effect. You can even make wood or rocks look shiny.

Sharpie Alternative Alcohol Markers Touch Markers Multi-colors. Alcohol-based ink dries acid-free ideal tool for sketching and scribbling.
Twin Tip: Medium Broad and Fine Brush.
Perfect for art sketching.

Acrylic Painter Flysea Pens -12 Colors
use on rocks, paper, fabric, glass, ceramic, wood, metal etc.