Icicles

"Frozen Bloons grow sharp icicles that can pop Bloons that touch them."

- In-game description

Icicles is a tier 4 upgrade on path 3 for the Ice Monkey in Bloons Tower Defense 6. It costs $1700 on Easy, $2000 on Medium, $TBA on Hard, and $TBA on Impoppable.

The upgrades cause Bloons frozen by the Ice Monkey to grow icicles. These icicles pop one layer off any Bloon that touches them.