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Take one of these very durable caps and plug it into one end of your boomwhacker tube. It'll push up an octave, adding an entirely different note range to your set. Plug the whole set for soprano Boomwhackers. A must have accessory to find the full potential of your boomwhackers!
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2025
$10.24