5 gallon -20$ 10 gallon -25$ 15 gallon - 35$ The 5 gallon is new and holds water The 10 gallon is kinda old but it holds water The 15 gallon is old but has never been used I can include heaters and filters for extra cost I also have a lot of aquarium decor (wood and rocks and plants) so let me know if you are looking for anything