SCIENCE GIZMOS: Talking Tapes | Assorted pack of 12 | Excellent for scientific use

Science Gizmos: Talking Tapes – Assorted pack of 10.

These Science Gizmo ‘Talking Tapes’  can demonstrate to students how they can actually make a paper or plastic cup talk by using/rubbing a specially-molded plastic tape that makes the vibrates the bottom of a cup in just the right way to produce audible speech.
This uses the same principle as a diamond needle traveling through a record groove.
Contents include:
Pack of 12 cups,
12x Assorted tapes (consists of 4x “Science is Fun”, 1x “Happy Holidays”, 6x “Happy Birthday”, and 1x “Be My Valentine”.)
Complete instructions.

(NOTE: Brand may vary from image displayed)

[Wikipedia excerpt: ‘…Talking tape (also known as talkie tapes, talking strips) is a analog plastic groove medium that is used to store short snippets of sound. The device physically resembles zip ties: one side of a thin plastic strip has a series of ridges and the other side is flat. Sound is recreated by running a fingernail over the grooved side of the strip while one end is held against an amplifier such as a paper card, balloon, foam cup, or desk. The medium works on a similar principle to gramophone records, using grooves to store sound albeit in a linear manner opposed to a spiral. The tapes come pre-moulded and there is no easy way to record sound in the format without special machinery. .…..’ ].

For other Gizmo options, click here.
Wikipedia info