Swiss Army Volcano Stove (3 Piece Set) (NOS) NEW OLD STOCK Genuine Swiss Army compact 3-in-1 Volcano Stove, Flask & Cup. Light weight aluminum construction (about 13 oz). 3 piece set includes stove, corked 32 oz flask, and 20 oz cup. Swiss engineered volcano stove brings liquids to a boil quickly. This versatile stove will burn any fuel including wood chips, twigs, gel fuel and trioxane. Great for camping, hiking, hunting, survival preparation and more!