500 colored pencils. Delivered to you, in groups of 25, over the course of 20 months.
And bonus — they all have gorgeously evocative names, like “Drizzly Afternoon,” and “Tea with Milk,” and “Lemon Ghost.” Lemon Ghost, people. Don’t you just want to lick that?
Oh, and double bonus, they also have display cases that turn your collection into an art installation in its own right:
(Thanks Liquid Treat.)