Agrabah Palace Pieces is a pack in the Building Sets 6 folder of the Toy Store in Disney Infinity 3.0, and can be purchased for 500 Sparks. It includes all 13 of the items from the original Disney Infinity 1.0 packs.
Related packs:
Agrabah Palace Pack 1 | Agrabah Palace Pack 2 | Agrabah Palace Pack 3 | Agrabah Palace Pieces