What is the collective noun for art supplies?

There isn't a widely accepted collective noun for art supplies.

However, you could use "assortment" or "array" to describe a collection of art supplies.

For example:

* "The artist had an assortment of paints, brushes, and canvases."

* "The art store displayed a wide array of art supplies."

You could also use a more descriptive phrase like:

* "A palette of art supplies"

* "A treasure trove of art materials"

* "A collection of artistic tools"

Ultimately, the best choice depends on the specific context and the tone you want to convey.