A Picker selection navigates you to the screen selected. The project uses Variables and States and depending on the picker selection I change a button state to navigate you to the right screen.

Test

A clean product card carousel as seen on: https://www.sketchappsources.com/free-source/3173-product-card-view-sketch-freebie-resource.html Infinite loop scrolling added

A reverse timer using the handle to designate where the timer begins its countdown.