Allie and her version of the stethoscope.
Allie also made a working model of a battery.
Amy and her microphone.
Ashley and her telephone.
Ashley, Val, and Brittany all display their phones.
Austin demonstrates his phonograph.
Ben and his tin can.
Caleb and his stick match.
Casie and her version of the elevator.
Cassie made another version of the elevator.
Claire and her version of the 1st stethoscope.
Clare and her grain elevator.
Cory looks for a volunteer to help him demonstrate his guillotine.
Danny and his battery.
Dani and her bicycle.
Dani displays a syringe, representing the first vaccine.
Donavon gives us a close-up view of his dynamite.
Elliot and his Pullman Sleeping Car.
Elliot and his stick match.
Eric and an improvement on the seismograph.
Eric and his version of a wax candle.
Gina and her kaleidoscope.
Harleen explains a few things about a new model of typewriter.
Jackie and Aimee and their flashlights.
Jake and his torpedo.
Jason and his hand crank clothes dryer.
Jeff and his version of a revolver (made of clay!).
Jeremy and his versions of a microphone and John Deere's first steel plow.
Jesse and his false teeth.
Joe and his dynamite.
Jon demonstrates his version of the kaleidoscope.
Jordan and his dynamite.
Justin tries to hide behind his glider.
Katie and her traffic lights.
Katie explains her revolver (also clay!).
Kaylee made a drum for a phonograph.
Keith demonstrates his telescope.
Kim and her traffic light.
Kim found a picture of a traffic light with only green and red signals!
Krista and her version of an early bicycle.
Liza and her guillotine.
Luke demonstrates his working electromagnetic doorbell.
Mark and his guillotine.
Mark and his dynamite.
Matt and his safety pin.
Mike and his arc lamp.
Molly had her version of the microphone.
Nick and his stapler.
Olivia and her lawnmower.
Ross explains his revolver (yes - it's clay, too!)
Ryan and his light bulb.
Sarah and her slot machine.
Sarah and her kaleidoscope.
Shawn and his Braille alphabet.
Shawna and her liquid crystal transmitter - precursor to the telephone.
Stephanie and her lawnmower.
