Well that works out great for you and perfect for them, they have familiarity in their new home. Looks like they came from a loving home which helps you more easily build a relationship with them. And also, you get a good cage w/nice accessories to start.
My Ollie boy came with a lot of good stuff too, he now gladly shares it with his girlie cage mates as well as shares their stuff too.
You can and will (lol) add to their already collection, you won't be able to stop yourself
Enjoy