I think this Big Babol XXL Bubble Gum advertising is a great and bubbly idea to catch attention. I just wonder if the bubblegum is sticky.
How funny would it be to walk into just a regular bathroom (or so you think) and as you close the door a pop up comes out! lol [Ambi Pur Supersize Popup (Media) by Jacques Pense, via Behance]
You could make a similar 'color wheel' with wall paint, using cans, or something easily paintable and less breakable
// What a awesome idea! Showers that look and function like giant Sprite dispensers were installed on popular beaches in Brazil and Israel. The eye-catching showers reminded people of the refreshing power of Sprite.
Hourglass body shape- with workout stuff or weights Coca-Cola: Coke & Meals