1920's Inventions

By kimberrrrrly
  • Traffic lights were invented.

    Traffic lights were invented.

  • Automobile with Combustion Engine

    Automobile with Combustion Engine

  • Insulin

    Insulin

  • Bulldozer

    Bulldozer

  • Liquid-Fueled Rocket

    Liquid-Fueled Rocket

  • Kool-Aid

    Kool-Aid

    The original name was Fruit Smack
  • PEZ Candy

    PEZ Candy

  • Bread Slicer

    Bread Slicer

  • Bubble Gum

    Bubble Gum

  • Car Radio

    Car Radio

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