Mineral Of The Month PRO EDITION: Receive a fancier, larger or perhaps more delicate mineral, crystal or fossil specimen every month, from Perky Box collectibles to Small Cabinet masterpieces and more. A great way to expand your collection and get a new surprise every month. 3, 6 & 12 month subscriptions available! If you are looking to spark interest in a young person or someone new to Rocks & Minerals try our Starter Edition!