Got this sketching kit today, but I don't know what the grey cube

Got this sketching kit today, but I don't know what the grey cube

How to Draw a 3D Cube - Freehand (in 6 Easy Steps) - Art by Ro

Have AI Chatbots Developed Theory of Mind? What We Do and Do Not Know. - The New York Times

Got this sketching kit today, but I don't know what the grey cube and the white things are or what I use them for. : r/learntodraw

6 Cube Organizer - Brightroom™ : Target

Who Is Beeple? How Artist Mike Winkelmann Made Millions From Selling NFTs and Digital Art

Quick & Simple Cube Rendering in Illustrator • Roy Illustration

10000 best White Ra images on Pholder

65+Best Art Supplies for Adult Coloring Books - ReStyleGraphic

Consciousness - Wikipedia