A simple implementation of how to simulate a Dynamic List which the user can manually increase or decrease using a single Container, a List component and States.

Using variables on a slider to control the Brightness and Hue of a light bulb

A simple spaceship animation using 'Animate Item' & states. Design Source: https://www.sketchappsources.com/free-source/3673-rocket-illustration-sketch-freebie-resource.html

Phoenix_Filter