440HZ Resonant tuning fork ping-pong ball bouncing Experiment set Acoustic experiment equipment sound propagation phenomenon
Home & Garden > Festive & Party Supplies
40,66 US$ (≈ 270,78 kr.)
46,21 US$
På lager
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Specifikationer og identifikatorer
- Category
- Home & Garden > Festive & Party Supplies
- Store item code
- 1005012444328607