Tone Pipe

Price: £5.99
Product prices and availability are accurate as of 2018-07-17 10:43:31 BST and are subject to change. Any price and availability information displayed on http://www.amazon.co.uk/ at the time of purchase will apply to the purchase of this product.
Availability: In Stock
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Manufacturer Description

Sound Tubes are our absolute favorite sound toy. When spun in a circular motion, these tubes produce a tone. As the Sound Tubes are spun faster, the tone steps up in frequency. Due to the harmonics of the tube, there is not a gradual increase in frequency. Approx. 76 cm (30") long. Colors and styles may vary.

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