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Deluxe Acrylic Pendulum Wave Demonstration Kit w/Teacher's Guide
With a series of 25mm steel balls evenly spaced out and each one suspended from a curved acrylic beam by varying lengths of line, the pendulum wave is a captivating demonstration for all ages of students. Nine balls in total hang from the beam, and when pulled back and released simultaneously by the initiator stick, will swing back and forth to form a wave pattern and cycle through different phases at they visually simulate different phases, beats and frequencies due to the varying lengths at which they are suspended. The pendulum wave demonstrator needs to be assembled before use, which will take approximately 20-30 minutes. Set-up of the frame is exceptionally easy, with only the two end pieces and the center rail. The area that

Price is $135.00
Price: $134.95