Series 4 Power Gogs Crazy Bones Pack of 2 Gogos + 2 Cards (Set of 5 Packs) 5 Sets - Each set contains 1 Pack of 2 Gogos + 2 Cards Random Series 4 gogos Series 4 Gogos have a base set of normal and metallic crazy bones Series 4 Gogos also have several of the most wanted versions of Metallic Crazy Bones