Note: Some of the links in this post are an affiliate, and if you go through them to make a purchase, I might earn a small amount of revenue. Whether or not you decide to buy something is completely up to you.

POSCA MARKERS
You can draw with them on different surfaces, paper, stones, fabric, plastic, glass you name it. Water based, safe for kids. 3M, 5M, and thicker are available. I have 5M, but planning to get 3M.
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SIGNO UNIBALL 0.38 mm
I love thin pen tip and can't help it. 0.38 mm is my choice but I'm also using 0.5 mm
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tombow fudenosuke brush pen soft & hard tip
They create extra-fine, fine or medium strokes by a change in brush pressure. Great for calligraphy and art drawings.
• US link
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• UK link

tombow dual brush pen
Ideal for brush lettering, journaling and more.
• US link
• CA link
• UK link

PENTEL BRUSH TOUCH FELT-TIP PEN
• US link
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• UK link

PRISMACOLOR COLORED PENCILS
I love richly saturated pigments
US link
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UK link

SAKURA GELLY ROLL PENS
Rich colors and does not bleed through most paper
US link • CA link • UK link

ADHESIVE GLUE
Not messy glue. Love it!
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CORRECTION TAPE
Covering my all mistakes. Wish it could be so easy in real life ;-D
US link • CA link • UK link
OTHER