Sand Pencil. New Haven: Petrie & Lewis (P&L), ca. 1915. Toy devised by magic trick manufacturing firm P&L for writing with colored sand. Three pencils (two wooden, one metal), in scarce original box with litho label. Includes labels and advertisements. Box (worn and chipped) 12 x 6 x 2”. One pencil lacks cap. Sold with an unused gummed lithographic Mysto label for the trick (8 ½ x 12”) and a printed gummed label for sand canisters (6 x 7”).