Are sea monkeys worth buying and if yes what should i buy?

Hey i've been wanting to buy sea monkeys but i can't decide by myself if they are worth it. If they are should i buy just a basic kit with a container,food,eggs,instant life stuff,measuring thing and an air bubble thing or should I buy a jumbo kit with eggs,instant life,food,banana treat,sea diamonds,measuring thing,cupids arrow,plasma food,air bubble thing,aqua leash, Grow-kwikly,sea medic medicine and the container