as the older chicks learn to open their eyes and gain control of coordination, they begin to meet the parents at the entrance of the nest and are brought larger insects to sustain them, and occasionally frogs and skinks depending on the availability of food resources at the time. as a bonus, the negative space between them is in the shape of a lever." however, the train stopped after a while and the teenagers jumped out of it, returning to the parking lot. the engine was strong enough to pull a few cars that carried four passengers each. 