Brushmarker and colored paper

Recommended quantity: 1×Recommended quantity: 1 9x12" 80lb drawing paper pad

The size is up to you. It is recommended to have 9x12" or larger

Recommended quantity: 1×Recommended quantity: 1 Black waterproof brush-marker

Be sure it is pigment-based/waterproof, not water-based.

Recommended quantity: 1×Recommended quantity: 1 Colored acid-free paper

Post-it notes or even a brown paper bag work in a pinch