Flexcils Flexible Colored Pencils Finish: 10 Piece Color Pack - can be bent and twisted unlike normal pencils (which would just break). - are safe and non-toxic (they meet all safety standards for pencils and children's toys). - will not rub off on children's hands. - don't use wood, so no trees are harmed (unlike normal pencils). - come in up to twelve flexilicious colours (so there's plenty to choose from).