Originally Posted by Unregistered
You need a slingshot. Just like in Wild World, presents float overhead. Use the slingshot to shoot them down. Like all tools, Tom Nook occasionally sells them at his store.
Also the slingshot isn't available till Nook's Shop is upgraded to Nook 'N Go I can't recall how much you have to spend to do that but I also recall hearing something about waiting a week after the game starts.