MustSee BeforeYouDie

 Glue the horn opposite the handle:

 Rainbow on the windshield:

 Technical modernization office:

 Costume-seat:

 Painting with varnish soap:

 Rats in the office:

 Toot under the chair:

 Toilet paper:

 Replace the contents of the bottle:

 Toothpaste instead of cream:

 Make sure friends read the morning papers:

 You can make the car lighter:

 Mayonnaise in donuts:

 Surprise on a chair:

 Wet cotton balls left on the car in the frosty night:

 Caramelized Onions:

 Jelly in the workplace