“Not everyone can become a great artist,” proposed the actor Peter O’Toole, “but a great artist can come from anywhere.” Take this comment to heart and move your kids art-ward during these long hours of quarantine. Jeremy Deller, Annie Morris, and Antony Gormley have teamed up to create a starter pack of possibilities, with sets of creative prompts you can work from with just pencils and paper. —E.C.