90011 Features: Doinkit® Dart Refills. Comes with 6 magnetic Doinkit® Darts. Made with neodymium magnets. Assorted color tails. Comes with 6 magnetic Doinkit® Darts in assorted colors. No guarantee as to which color you will receive. Our darts are made with Neodymium (rare Earth) magnets that work on any magnetic …