Legendary Star Wars Classic Slinky Birthday Party Favour, Plastic , 1" x 1" Each toy spring is printed with a Stormtrooper, Darth Vader, Yoda, or Boba Fett. Each spring measures 1 3/8" x 1 3/8" The springs come in red, blue, green, and black. Perfect as game prizes or favours for your party loot bag.