Once you are back in the nexus, punch in the sequence from the orange rod into the orange door that is covered with green stuff. Go through the door and use the tram just like you did before. Keep moving upwards until you find yourself at a gap in the path. To get across, click the mouse on the other side to make Boston jump it. If the waves knock him down, keep trying to jump it, and eventually the waves will wash you over. Once you are on the other side, use the shovel with the rock to form a artifical bridge. Continue to move upwards until you reach another light bridge. Press the button on the strange device until the line on the display is completely drawn. If it doesn't work, adjust the lens and try again. The next thing to do is to go into the cave. A rat will steal the machine piece you will need to open the door. You must now construct a trap. To do this, pick up EVERYTHING you can find in the cave and...........
1. Use the dowel with the hole in the metal wheel thingie.
