You've probably found a bunch of these little snowflake-shaped things called Bubbul Gems in your travels across Tears Of The Kingdom. If you're unsure about what to do with these, this video will explain what they are, how to find them, and how to spend them to get some strange, monster-related rewards.
Chapters: 00:00 Intro 00:10 How To Find Bubbul Gems 00:41 What Do You Do With Bubbul Gems? 01:17 Kolton's First Location 02:00 How To Find Caves 03:44 How To Find Kolton's Balloon 04:14 List Of Items That Kolton Trades