Panel 2 upgrade kit will include parts to build the four greeblies on panel 2. It's made from 20 individual parts. The UFO greeblie with 2 metal parts and 9 black plastic parts, the 3 metal pieces for the top hat greeblie, the bronze ring and small cylinder, and 2 sets of brass nuts and bolts to hold the UFO and top hat greeblies together.
This set is sold separately here and is now included in the core panel set, master greeblie pack, and core 7 set I offer.