Star Wars: Legion AAT Trade Federation Battle Tank Unit Exp.
Star Wars: Legion AAT Trade Federation Battle Tank Unit Exp. - Rules of Play says:
With the AAT Trade Federation Battle Tank Unit Expansion, you can add one of these heavy tanks to your Separatist army. The unpainted, finely-detailed miniature you find here can be constructed with its hatch closed or with a B1 Battle Droid scanning the horizon for new targets. In addition to this miniature, you'll find everything you need to fully customize it to your personal strategy, including eight upgrade cards and a unit card.