a hammer and a number on a card

1ST ONE OUT HAHAHAHAHAHAHAHAHAHHAHAHHAHAHHAHAHAHHAHAHAAHAHAHAHAHAHAHAHAHHAHAHAHAHAHAHHAHAHAH
AHHAHAHAHHAHAHHAHAHHAHHAHAHHAHAHAHAHHAHAHAHAHAHAHAHAHAHHAHAHAHHAHAAHHAAHHAAHHAHA
HAHAHAHAHAHHAHAAHAA

Click bottom right of the blue box, get the hammer

With the hammer, turn to the electic box and hit the crack. Get the card. The numbers on it read 4653

Turn to the wall w/ the clock. Look at the shapes on the bottom and click them in order of number of sides, 4653. Get the screwdriver

Make a note of what numbers on the clock the colors relate to. Turn to the electrical box, use the screwdriver on the screws. Click the bottom edge of the box to get a key. Turn to the wall with the blue box, and use the key on the panel on the wall. Get the wire cutters.

Turn back to the electric box. Click the wires in color order 4653 to disable the explosive. Turn back to the blue box and enter the code on the card, 4653. Get the book from the safe.

Open the book and flip to the back to get a keycard. Use the keycard on the purple pad. The code to enter is Bird.

And you're out.

bird

Click on the panel of the electrical box, it will flip around and you will see a little drawing in the lower left corner. Click on it, and it will peel off. Then, when you are at the page in the book where it says "London bridge...", activate the foil with the circles and click on the book, whereupon they will overlay and the appropriate letters are marked.