Food Coloring Egg Dye Bottles Mystery Revealed!

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A couple of years ago a fellow blogger, Aldo Ross, sent me an email:
"I was sharing a thought with a friend, and started wondering why plastic Schilling (and other?) food color bottles had that pointy top and bulbous bottle.  The answer was right there in front of my face, one of those “Doh!” moments."
He then sent along a few images for me to review.
I had never thought about it before but take a look:

Here is the classic bottle.

Here is a little hint....

And a big hint!

Ah ha!

Maybe everyone else out there (except Aldo and I) have grown up noticing this.  I just thought the pointy tops made great party hats for little plastic dinosaurs!