Reunite the cats for your collection as Thundercats Pop! Pins! Pop! Pin Mumm-Ra is moving in to fight Lion-O and the Thundercats in your collection. Typically there's a 1 in 12 chance of finding this chase variant, but you can collect it now. Pin features a soft enamel fill on gold colored hardware and a built-in stand. Enamel pin is approximately 4.25-inches tall.