They've got quite a pop.
Lil' Sweeties pickaxe is a Uncommon Fortnite Pickaxe. This harvesting tool is currently unreleased. It's an upcoming axe that have been leaked but hasn't been put on sale in the Fortnite Item Shop yet!
The axe Lil' Sweeties belongs to Chapter 2 Season 3. This axe is a leaked axe, an upcoming item that will release in the Fortnite Battle Royale game. Therefore, you cannot buy it yet at the Fortnite Shop or get it by any other method.