or contact us for a list of options:
Did your students ever wonder why a train gets louder as it approaches? Why not show them the physical phenomenon known as the doppler effect with the battery driven device. Load the batteries, swing it in a full circular motion and your students will experience the doppler effect first hand.
|Please register as a teacher or distributor to view and download instructions.
|High Resolution Image
|Please register as a teacher or distributor to view and download high resolution images.