Balloons with banana symbols on them that spawn a Banandium Gem when all inside a set are popped, similar to Moon Shards[21] The whole thing of Bananza's terrain is constructed from voxels, which Motokura stated was the key element distinguishing it from Odyssey.[27] Takahashi explained constructing levels from voxels https://www.youtube.com/watch?v=8qBETfHLPp0