Amazon has the LEGO Minecraft Dungeon Building Kit marked down from $19.99 to only $13.99 and it ships for free with your Prime Membership or any $49 order. The Dungeon features a spawner with rotating function, secret opening wall where zombies can spring a surprise attack, chest with wheat and redstone elements, 3 buildable torches, brick-built cactus, moss stone block element and a gold ore element.

Amazon pricing changes frequently, so this deal may expire at any time.