Possible Clues:

• '90s game disc
• Faddish '90s disc
• Collectible cap
• Fad disc of the '90s
• Collectible disk of the 1990s
• Faddish disk of the '90s
• Fad disk
• Milk cap game piece
• Hawaiian juice brand that lent its name to a 1990's fad
• Collectible cap, once