Trilogy - Sith Lords. Limited Edition of 5000. Gentle Giant has joined together with Action Figure Xpress to offer an exclusive 2-pack Bust-Ups set. The Holographic Sith Lord Bust-Ups 2-pack will include Darth Vader and Darth Maul. Bust-Ups are plastic micro-busts that you can build, each piece stands 2-3 inches tall when assembled.