Tunning Forks on Resonance Box

Marsoni

M251S

$22.46

Get it in 3 business days with 1 day shipping. Friday, May 29

Tunning Forks on Resonance BoxFor demonstrating the formation of basic major cord. Comprises four tuning forks mounted on a single wooden box in a line at the top and having frequencies (Hz) of C1(256), E(320), G(384), C2(512). Supplied with hammer. Premium Quality: Tuning Fork is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science

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I purchased the White Brite teeth whitener unit & ordered the gel pens to go with it: this review is for the gel - however have to mention the little mouth brighter is AMAZING! Works as well as getting 500$ whitening at dentist! 🦷 … The gel is a perfect match for it…I used continuously for one week - saw a 85/90% Highly recommend the mouth whitener & gel pen!

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Reviewed in the United States on May 17, 2026

Verified Purchase

Anjie Kacperski

New York, US

★★★★★ 5

Bright smile

Size: 4 Count (Pack of 1)

I love this product and its whitening teeth

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Reviewed in the United States on April 15, 2026

Verified Purchase