Although I included a supply list above, I encourage you to use what you have. You may already own many of these products so I have itemized them below:

Art Journal or Watercolor Paper or Mixed Media Paper (300 GSM or 140lbs). I used the ones listed in the supply list but I have given you other options.

Watercolor pan set (you can also use liquid acrylics or inks)

Acrylic markers like: posca, molotow or others (most used black and white)

Watercolor markers (optional) such as tombo

Permanent thin black marker, 

Paint brushes

Glue 

Scissors

Thread or String: any color

A few images that you love and connect to being a creative person: these can be cut out of magazines, collage books, old books or printed from the internet.

Pen and paper