Roman siege engines BC, and surrounded by Roman fortifications. As was standard siege technique at the time, "ballistae" were placed up in the towers with other soldiers armed with either bows or slings. The onager was a post-classical Roman siege engine, which derived its name from the kicking action of the machine, similar to that of an onager (wild ass). It is a type of catapult that uses torsional pressure, generally from twisted rope, to store energy for the shot. The onager consisted of a frame placed on the ground to whose front end a vertical frame of solid timber was rigidly fixed;
Animal Genius up to five animals for that habitat by playing games. Each animal is worth a different point value. To earn the points needed for that animal, choose any combination of the Scratch and See, Matchomatic, Creature Collector (or Feature Finder in the Leapster), or Maze Munch games. Once you've earned enough points needed for an animal, show what you know about the animal by answering ten questions in Animal Expert. After successfully answering the questions you win the animal for the habitat! To win the first animal in each habitat, get 25 points or 10 points (in the Leapster). To