Press the following sodas on any vending machine: Cool, Cool, Pop, Spot, Grape. You will you get an Easter egg and several quarters

Puzzle Box

Solve Jake's puzzle box before you have received the note telling you to go to the boiler. You will receive an Easter egg and Nancy will tell you that the puzzle is "unavailable at this time." You'll get a few quarters

Both Eggs

Once you have both eggs, check Nancy's journal for a new entry