Spinning Solar System Enamel Pin. Center Sun spins freely, surrounded by the planets in our solar system and a few other heavenly bodies. Celebrate your Love for our Universe! 1.5x1.5 inch. High quality alloy metal and hard enamel polymer ink. Perfect accessory for Jackets, Sweaters, Shirts, Hats, Luggage, Shoes, Suits, Coats, Jumpers, Backpacks, Bookbags, Bags, Belts & More. Gift item for any occasion! Gift bags, Holiday gifts, Birthdays!