BubbleColumnElevator-1.0-1.12.2.jar is a release file of the Minecraft mod Bubble Columns for 1.12, made for Minecraft 1.12.2. It was published on July 12, 2019 and is 0 MB in size. For the full description, screenshots and every other version, visit the Bubble Columns for 1.12 mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.