Third Party company DNA Design, know for their accessories and upgrades, have updated their Facebook account with images of their*DK-17 TF Mammoth Fusion Cannon (Big Convoy’s Matrix Buster). This is a very nice alternative for those collectors who missed the Encore Big Convoy Matrix Buster Ver. which was an expensive Takara Tomy Mall item. This new accessory is DNA Design’s take on Big Convoy’s Matrix Buster but adding some interesting modifications: Slightly stylized design, still cartoon accurate but not the same as Takara’s. Removable cannon crown. New Matrix. Handler can rotate, so you can attach the cannon into » Continue Reading.