After getting my perma party ball from the AE I noticed all kinds of other toys that I never saw up until now. I've been browsing, too, but, logic has failed me.
I already posted this in the Party Ball thread but it's a decent enough tip that it seems worth repeating so here it is. The trick is, instead of specifying levels 0 - 40 in the search engine, try levels 0 - 0.
For example - for loot quality set your search to rare/blue items, for category pick Devices, for level pick 0 - 0. All kinds of toys will appear that you could never find had you specified levels 0 - 40.
This can be handy if you don't know the name of all the toys and want to browse. Specifying rare/unique/etc just narrows things down some which can be handy when you are just browsing and there are over 400 (search engine display limit) items that would pop up on a full list.
This also solved a mystery of why I couldn't find certain items of my own that I put up for auction for another one of my toons to buy (pre-hideout).
Maybe this tip spares someone else some confusion.. Maybe someone finds a new toy! I got some gnashy pets that I can't remember the name of atm and a perma water balloon besides the party ball : ) Saw all kinds of stuff I didn't even know existed.