From their announcement:
Introducing the latest addition to the Instant Scenery Kit series, “Arid Grasslands.” This kit contains everything you need to create dry, arid grassland themed bases. The example in my product photo was created using only the provided materials without paint.
This kit is in stock now and sells for $15 at the Secret Weapon store.
Of course if you can wait until Friday, 29-January you’ll be able to get 10% off of that price during the Great Unemployment Sale.