$12.95 for this Lego (model # 21113) The Cave Playset with Minecraft Hostile Mobs on sale at Amazon this week. You get 250 lego pieces and 2 unique minifigures and more. Most Lego sets are 20% off during this sale which we anticipate ending tomorrow so hurry up and grab your favorite set. The fun thing about this set is that you can mix it up with similar sets in the series and create something really big. There are over 1000 reviews you can read, and most are 4 or 5 stars.