The Aqueon Betta Castle Kit is an acrylic, half-gallon kit shaped like a medieval castle! These can be stacked with other betta castles. Each half gallon vessel includes four red flags, decorative gravel betta food and Betta Bowl Plus water conditioner.
Half gallon castle aquarium with four flags
Stack up to three Betta Castles to build the ultimate castle
Convenient feeding hole allows for feeding betta without taking the entire lid off