Super Mario Slot
From the Super Mario Wiki
Super Mario Slot is a single-player minigame in Super Mario 64 DS. It is one of Luigi's minigames. This game is the continuous version of Mario Slot. In this game, there are three spinning wheels or slots. Before the wheels are spun, the slot machine will take one of the player's coins. In order to stop each slot, the player must touch it. If all of the items on each of the slots or if any Superstars are shown, the player will gain more coins.
This is how many coins each player will get if they get the following outcomes:
The player can earn extra coins if they get one Superstar and two matching items.
 In-Game Description
Touch the spinning slots to stop them. Get 3 items in a row to earn coins! The Superstar is wild. Are you feeling super lucky?