The Tri-State Aquarium

Lore & Background

In the Tri-State Area, civic institutions tend to be bright, approachable, and just a bus ride or a determined bike ride away from the neighborhood where the show's young inventors live. The Tri-State Aquarium fits that pattern: a glass-and-steel building with a rounded, almost submarine-like silhouette, its exterior wrapped in the same cheerful, saturated palette that defines the show's cityscapes. Inside, long curving tunnels pass beneath enormous tanks of saltwater, and the ambient hum of filtration systems provides a gentle, constant soundtrack to the chatter of school groups and curious families.

The aquarium occupies a place in the community's social calendar the way a park or a library does—unremarkable on a Tuesday, but the obvious choice when a teacher needs a rainy-day field trip or when a mother needs a Saturday activity that doesn't involve a backyard volcano. It is, in the language of the show's world, the 'normal' option, the one Candace might point to when trying to steer a conversation away from whatever elaborate contraption is currently taking shape on the lawn.

Its proximity to the neighborhood means it exists in the orbit of the boys' inventions. A sufficiently ambitious water-cycle machine, a misfired teleportation device, or a particularly enthusiastic robot designed to 'help' the jellyfish could all plausibly deposit their cargo through the aquarium's glass walls, turning a quiet afternoon into a frantic, splash-filled rescue that the entire class would be expected to help clean up before the parents arrive.

In Their Own Story

The glass tunnel is dim and blue-green, the kind of light that makes everyone's shadows stretch long and strange across the floor. A school group moves in a slow, chattering river past the shark tank, and a boy in the back row is trying to explain to his friend why the shark is 'just doing its thing.' Ahead of them, a girl with auburn hair is counting the penguins for the third time, her breath fogging slightly on the glass. The water laps and swirls in its endless, patient rhythm, and somewhere far below in the filtration room, a small, very round, very confused robot is trying to figure out why it is now living in a kelp forest and whether it should be concerned.

Reader's Guide

The Tri-State Aquarium presents as a low, rounded building with a sweeping glass dome that catches the afternoon light in broad, clean highlights. Its façade is rendered in the show's signature flat-shaded, high-saturation style: soft teal and seafoam panels, white structural ribs, and a wide entrance canopy that reads as welcoming rather than institutional. The roofline is gently curved, almost organic, suggesting a wave frozen in concrete.

Inside, the main visual set piece is the long glass-bottom tunnel that runs the length of the building. Viewers see it from the characters' eye level: wide arches of transparent material overhead, the water surface glittering above, and the slow drift of silhouetted fish. Side alcoves break up the tunnel with smaller, more intimate tanks—jellyfish in cylindrical columns, a coral reef diorama, a touch-pool area where small hands reach in.

The characters most likely to populate it are the neighborhood kids on a field trip: Isabella leading, Baljeet taking meticulous notes, Buford grumbling about the smell, and the two boys either absent (having already built something) or present, looking slightly guilty. Recurring props include the oversized informational placards, the gentle murmur of a docent's voice, and the ever-present soft blue glow of the water that bathes every scene in a cool, calming wash.

Did You Know?

• The Tri-State Area, the show's fictional setting, is deliberately kept geographically vague, allowing the city and its landmarks like the aquarium to feel like any friendly Midwestern town the audience can project their
• The show's animation style favors clean, rounded architecture and saturated, flat color blocks, which gives civic buildings like the aquarium a toy-like, approachable quality distinct from more realistic cityscapes.
• In the show's world, the neighborhood is close enough to the city center that a full day of invention in the backyard can be interrupted by a parent calling the kids in for a scheduled outing to a public venue like an aq
• The Tri-State Area's community institutions—schools, parks, museums, aquariums—are consistently portrayed as safe, well-maintained, and family-friendly, reinforcing the show's tone of lighthearted, consequence-light adve