Smartass Goo

Precisely!

Smartmold (galactically registered and trademarked), was meant to be an intelligent polymer, able to change into whatever shape was needed to fix, plug or copy. It had other ideas.

Now for the third clue…

3. Even Rosa the horse gets to be the POV character sometimes. Find the one in which a horse balloon features.

Replace the “xxxx” in   http://www.vancebastian.com/xxxx   with your answer to proceed!
(Remember, use hyphens “-” where there would be a space, and all lower-case. For example: http://www.vancebastian.com/the-shaxenger-hunt )