The main focus concentrates on train writing but you won't be missing some pretty colourful walls either

Empty squeeze marker from the German On The Run company is great for thicker paint their own ink

and seals everything in so your work stays protected indoors or outdoors

and it dries fast without yellowing over time

Alcohol-based

stabilo boss original highlighter pastel 6 set Saeio The main focus concentrates onPack of 6 Stabilo pastel coloured highlighters. These pens are perfect for mono coloured sketches and throw ups. They are also great for marking text in course literature and other books as they have a short drying time. The pack includes the following colours: Pastel Green, Pastel Pink, Pastel Yellow, Pastel Orange, Pastel Purple and Pastel Blue.