After art class, Tilly dragged her fingers across the whiteboard. When she leaned close, thousands of tiny shimmering specks clung to her skin like diamond dust. She rubbed her thumb and forefinger together — the glitter vanished from one finger but still sparkled on the other.
Tilly marched to Mr. Patel's science table, still seeing those sparkles in her mind even though her hands looked perfectly ordinary now. Her sneakers squeaked on the linoleum as she pushed open the door to the science corner, clutching her rubbing fingers together.
Mr. Patel lowered his magnifying glass. "That's not glitter, Tilly — that's what happens when germs meet a whiteboard." He handed her a glass slide and she leaned in to peer through the lens at something invisible to the naked eye.
Tiny shapes wiggled inside the lens — some with arms, some with legs, all marching like a tiny army. She pulled back and whispered, "They look like they're having a party," while the slide clicked softly against the metal tray.
Over the next two days, they mapped every germ territory. The bathroom doorknob blazed with blue dots under the UV lamp, the lunch table was a constellation of yellow specks, and the water fountain spout glowed green like a tiny neon sign.
On the third day, Tilly sneezed into her elbow without thinking. Mr. Patel gently pointed to her notebook — a spray of invisible dots had landed on the cover, and she was already carrying it back to her desk.
She stared at the notebook, then at her elbow, then slowly wiped her desk with a disinfecting wipe that smelled sharply of lemon. The classroom was quiet except for the hum of the refrigerator in the corner.
At home, Tilly stood at the kitchen sink and turned the water on cold — then off, on warm — watching the soap bubbles climb up her wrists in thick foamy towers. She scrubbed between her fingers, under her nails, counting out loud to twenty.
When she rinsed and held her clean fingers up to the window light, nothing glittered back. She grinned so hard her cheeks hurt, and the faucet kept humming its steady song.
The next morning at school, Tilly stood by the bathroom door with a box of wipes and a bottle of hand sanitizer. She offered them to anyone who reached for the handle, standing like a tiny guardian at the doorway.
When Sammy grabbed the doorknob and sneezed without covering, Tilly handed him a wipe. "Here — the germs don't need a ride," she said. He looked at the wipe, then at Tilly, then burst out laughing.
Sammy wiped his hands while the classroom bell rang. He looked at Tilly and laughed again, and for the first time, she laughed too — the kind of laugh that sounds like bubbles popping.