The shop uses a system that rotated the items each day, or at few days for featured items. After they left the store, the items can be re-added in future at same price and rarity.
Check out the list of all the rotations
The Fortnite shop is reset at 00.00 (UTC) timezone each day, the featured items can be in store for 2 or more days in a row before removed and added other items.
Below you can find the list of all the rotations that took place in Fortnite from October 2017 to up now. Also, you could see the price and rarity as is in-game.
To see the live shop, check out our shop page!
ItemShop
ItemShop
Yadil
Is good and it looks sweti
Tyler
When Is the Griddy coming back
Bros_4life22504
Give me a skin
Remi
When's the brat coming in Item shop
Lucas
Plese c an I have it