Amazing Live Sea-Monkeys Magic Castle It's the most amazing thing you've ever seen...Just add water and get real live sea-monkeys!!! Includes water purifier, instant live sea-monkey eggs, the food, sea-monkey plasma, the magic castle tank itself, and the food dropper Watch them grow, feed them and follow along with your hatching chart. They are guaranteed to live up to 2 years!! The lid of the Magic Castle aquarium is a magnifier, allowing close up views of the Sea-Monkeys as they glide through the castle Everyone loves Sea-Monkeys - pass the tradition on to your kids and watch their eyes get wide with amazement