The entrance to Doktor Pavlov's lab was a psychological test. Their steam cart had rotated onto the roof of the tunnel, and Mara, Torix, and Constantine hung over a dark hole. They could hear something ticking, and they decided to drop. They fell for a second or two and landed on a board attached to several springs. Doktor Pavlov had been waiting to see how long it would take for them to let go and recorded the results from his stop watch on a histogram. Mara handed him the cylinder that Doktor Cerenkov had given them, and Dokotr Pavlov subjected them to a series of tests (apparently those were the instructions on the paper that came out of the cylinder).