The set is boxed and has only been opened from one side, the other being originally sealed.

The set itself is virtually new, Thunderbird 2 has not had the stickers applied and is in very clean condition with only a couple minor factory marks. Thunderbird 4 is till contained in the insert with both figures still in factory sealed bag and taped to the insert. 

The sticker sheet is included with some minor wear from storage, instructions are also included.

The box is in good condition overall with all inserts present. 

The set has looks to have been literally opened to look at then put back away in storage.