MIT Mystery Hunt 2020/Balloon Vendor

Balloon Vendor is the fifth round of the 2020 MIT Mystery Hunt unlocked after 28 feeder puzzles are solved.

Description
[INSERT VISUAL DESCRIPTION OF ROUND]

List of Puzzles

 * Baby Shower Balloon
 * The Balloon Merchant's Gambit
 * Birds
 * Bouquet of Balloons
 * The Holy Cup of the Raven-God
 * No Clue Crossword
 * The Scrambler
 * Hat Venn-dor

Metapuzzle (Harvard Ballooniversity)
[INSERT METAPUZZLE DESCRIPTION]