Using simple 'Animate Item' and 'Show/Hide' interactions to have the boxes disappear and realign accordingly. Can be used as a base on how you can build notifications or lists to realign themselves.

Fidelity Prototype for ITEC 752.

I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype

3 different counters using variables 1. A standard counter 2. A counter from the number of seconds the user sets 3. A countdown