All you need in terms of supplies are a pencil, a piece of computer paper or cardstock, a pencil and a few Sharpies (ultra fine and fine point would be perfect!)

These are affiliate links to some of my favorite drawing supplies but PLEASE always feel free to simply use what you have!!!

Pentel GraphGear Mechanical Pencil Set

https://amzn.to/2GFzZlf

Hammermll Color Copy Digital Cover Cardstock 100lb 8.5" x 11"

https://amzn.to/2ArE39o

This is a good one (and super affordable too!)

https://amzn.to/3rRQhhz