LEGO MOC Clone Wars Separatist AAT by ClydeChestnut | Rebrickable - Build with LEGO
Amazon.com: LEGO Star Wars 501st Clone Troopers Battle Pack 75345 Toy Set - Buildable AV-7 Anti Vehicle Cannon, 4 Minifigures, Spring Loaded Shooter, Clone Squadron Collection, Great Gift for Kids Ages 6+ :
Lego Star Wars 9488 Republic Artillery Cannon (No Instructions or Minifigures) | eBay