It’s important to give your parakeets a new toy every once in a while–they enjoy things with different textures that they can explore and bite, and that they generally like colorful stuff. Make sure that you get a safe, high-quality item that is okay for your birds to chew up–my parakeets enjoy those hanging things with soft wood and seashells strung on them. If you want to read more, this parakeet blog has an entry that discusses the subject of bird toys and shares some tips.