An open slate box on a lecture-hall bench holding one row of twelve white chalks and one red, a chalk-dusted hand resting beside it, the lid debossed with the Equilibrium logo.

08:20, the front bench

A tally: twelve strokes, then one more. In old manuscripts the line that matters is written in red, the rubric, from the Latin for red ochre. Use it once a board.

Objects · Box of chalk

Twelve and One

CHF 28 working price

For the first board of the day: sticks the size every chalk slot here is cut for.

Twelve sticks of white for the working, one of red for the answer.

A study: nothing can be ordered yet. The photograph is a generated image, not a picture of a made piece or of a real person.

  • Dense, low-dust chalk: twelve white, one vermilion, in one row of thirteen
  • Sticks 80 × 11 mm: the size every chalk slot here is cut for
  • Rigid slate box, the mark debossed on the lid; refills of the red sold singly

Goes with

Bag 0

The bag is empty.

The bag is at rest.

Nothing in it yet. Pick a piece and it will wait here, on this device.

See the pieces