The Odyssey of the Mind OM OotM Creativity Competition Enamel Lapel Pin VTG Tree Pin is a collectible pin that celebrates the creativity and problem-solving skills of participants in the Odyssey of the Mind competition. The pin features a unique design that represents the spirit of innovation and teamwork that is central to the competition. Perfect for pin collectors or fans of the Odyssey of the Mind program, this vintage-style tree pin is a great way to show support for creativity and mental challenge activities.