Kung Zhu Battle Hamster Special Forces Stonewall. Which Kung Zhu are you? Collect and connect all of the Kung Zhu hamster Accessories to make your own giant hamster battleground! Are you of a Ninja Warrior or maybe Special Forces, choose from up to eight different Kung Zhu and four different factions. You decide how things play out in the Zhu-niverse. For ages 4 and up.