Adorable, durable, and refillable Moon and Stars toy has the 'nip that helps your kitties see what life is like on Jupiter and Mars. In other words, stuff some in the pouch on the side and play to fill your kitty's heart with joy. They will meow Meowijuana for ever more.
*Not for human consumption* Catnip can be given every other day to cats, but after a few minutes, its effectiveness wears off and your cat will need to be away from the catnip for a while in order to experience a reaction again. Catnip may not be well received by cats under a year old.