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| Demonstrates: Changing frequencies. |
Description: Stops can be moved to change the pitch.
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Instructions:
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| Items Used: Notes: There are several of these. Math Description: None.
Size: 12" l x 10" h x 5" w. Condition: Good. Hazard: Hitting yourself with the hamm
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| Schematic:
None. Tech Specs:
None. Web Links: |
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| History: |
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