KollerCraft is a family-owned business based in Fenton, MO and has been in manufacturing since 1941. In 1985 KollerCraft was the first to design and produce the popular desktop aquarium. With millions of these aquariums having been sold, they continue to be popular with both children and adults. Due to the numbers of aquarium kits sold annually, KollerCraft remains one of the top aquarium manufacturers in the USA.