The Arctek chest is a furniture-item that allows the player to store their items in it. At the moment, in March 2016, the best choice for large storage capacity is this Arctek Chest. The Grand Arctek Chest currently doesn't offer an advantage over it (also has 24 slots), until the limitation of the UI caused by Unity has been worked around so the Grand Arctek Chest can store more stuff. To craft 1 Arctek Chest, you'll need (as of March 2016): Upon crafting an Arctek Chest for the first time, the crafting-recipe for Grand Arctek Chests will automatically be unlocked.