From Figpin Collect Awesome. The FiGPiN TMNT Mystery Mini Pins bring the iconic Teenage Mutant Ninja Turtles to life in a collectible format that's both stylish and unique. Crafted from cast zinc alloy and inlaid with vibrant, hard synthetic color enamel, each pin is finished with an electroplated nickel coating for a sleek, polished look. Measuring approximately 1.5 inches in height with a 2mm thickness, these mini pins are perfectly sized for display. Encased in a durable ABS plastic shadow box, each FiGPiN also features a laser-engraved, alphanumeric serial number on the back, ensuring that every piece is truly one-of-a-kind. If you unlock all of the common, rare, and super rare FiGPiN Mystery Pins in the FiGPiN App, you will earn the chance to purchase the ULTRA RARE FiGPiN! (Limited to the first 100 people who turn in the Common, Rare and Super Rare set)