Sparky Sticker
From the Super Mario Wiki
The Sparky Sticker as seen from Mario Party 4.
The Sparky Sticker is an item in Mario Party 4, and was Waluigi's favorite item. The item is a sticker with the image of an Amp on it. The item is used by placing the sticker on a space. Any character stepping on the sticker would get shocked, causing them to lose fifteen coins as well as any effects of a Mini Mushroom or Mega Mushroom.
