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Product Information First choose an open space. Then secure a length of cord through the hole on one of the 3 tuning forks' handles. Strike the fork with a rubber hammer and whirl the fork on the cord above your head in a circle. Your students will clearly hear the change in pitch as the tuning fork moves toward them and away from them. Includes: 3 tuning forks with resonant frequencies of 256, 512, and 1024Hz; a rubber hammer, 30 cm of cord, and complete instructions.  Tell a Friend about this item
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