Escape from the Balloon Room

Walkthrough:
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1. Get pin from porthole and green chilli from window.
2. Go around and pop ballons and collect items
3. Open safe by door using four letters followed by a blank on 
   the end and get helium.
4. Beside the box where the whale is is a green balloon.
   Blow it up with the gas.
   Add adhesive to the top and the pin.
5. Click the ceiling and pop the blue balloon.
   Get a sheet of coloured stripes.
6. Follow instruction on the boat and change four buttons to one 
   colour (the safe by the door is a button).
7. Get pump from box by whale.
8. Place safe below black picture.
   Click the top of the picture and get a towel.
   Wipe picture to reveal a number.
9. Select the green/yellow/red items in your inventory and blow them 
   up to reveal numbers.
10. Using the stripe picture translate the numbers using white to 
    multiply and black as the number on the picture.
11. Enter on safe and get key.