The typewriter, telephone and television broadcast, the Statue of Liberty and the Ferris wheel, the X-ray machine and the ice cream cone, all of them exhibited at World Expos.
The reverse is also true: Think of an ice cream cone that rapidly melts on a hot summer day versus one that stays largely intact when you're inside on a cool night.
He was allowed to submit a list to stock the kitchen, but apparently it was too hard to get Helados on short notice—all that's in the freezer is UK-brand packaged ice cream cones.