A Classic EcoAquarium setting sail with a new look of Pirates, Treasure & Adventure! The durable color-fast background & tank border sets a tone of swash & buckle. The Classic EcoAquarium brings nature up close & personal. Includes 4x4x5 tank with 2 Frogs or 1 Betta Fish, Lucky Bamboo Plant, Decorative rock, Living Gravel, your choice of Colored Gravel. The natural mix of plant, animal & microbes work together to establish a sustainable mini-ecosystem. Easy to maintain, easy to care.