Cool little terrarium.

Anything minature is instantly captivating.

Either because we ourselves are miniature to other life/energy forms in this universe so it's nice to look down at other worlds.. Or we are so indoctrinated by the "God" hypothesis that we feel the spark of divinity within us when we have a top down view of these mini worlds of life.

Or maybe because we are a collective of cells that since bacteria plays a fundamental role in our longevity, looking into the mini world is like looking directly at our origins.