The Ride is a 5 min loop, and is a part of the "i love ikooki" exhibition.
It depicts a fragment of the relationship between ikooki and Her Friend as seen through Panda's eyes.
Zen's excrement is bubbles.
All Zen's activities are floating and secreting bubbles.
Zen is also ikooki's hat.
Zen's bubbles animate ikooki's souless body.