inventions in the 20th century

  • Escalators

    Escalators
  • Corn flakes

    Corn flakes
  • Credit cards

    Credit cards
  • Pez candy

    Pez candy
  • Scotch tape

    Scotch tape
  • Lollipop

    Lollipop
  • Ice cube trays

    Ice cube trays
  • Microwave oven

    Microwave oven
  • Video games

    Video games
  • Skateboard

    Skateboard
  • Barbie doll

    Barbie doll
  • Computer mouse

    Computer mouse
  • Compact disk

    Compact disk
  • Jacuzzi

    Jacuzzi
  • Cell phone

    Cell phone
  • Post it note

    Post it note
  • Roller blades

    Roller blades
  • Mountain bike

    Mountain bike
  • My little pony

    My little pony
  • MP3

    MP3
  • Internet

    Internet
  • Digital camera

    Digital camera
  • DVD

    DVD