Smallworld Aquarium Small World Habitat Penn Plax The Small World Habitat gives you a perfect home or nursery for small tropical fishgoldfishhamstersgerbilsfrogssnakesnewtshermit crabs or bugs. Perfect for teaching children the hobby of learning and taking care of small pets! Features: 3.8 Gallons Measures 14"L x 8"W x 9"H Vented cover Flip top feeder