No doubt: there are just catalogs full of stuff that you can buy...
But for a first trip: Keep it as simple as possible, and it'll make it easier for you to see what you'll want to add to the ever-growing pile of stuff that'll get packed into your rig.
Oh! I forgot to say that i'm really sorry that your "Hugsband" won't be enjoying the adventures with you...
But I'm willing to bet that he'll be watching...