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Pull the pin of the Sonic Grenade for the worlds
most annoying sound.
To stop the sound, squeeze the handle and insert the pin. Its great fun to interrupt meetings, annoy parents, wake up teenagers or simply get attention. The Brainiac Sonic Grenade is a must have if you want a device that can produce one of the worlds most annoying sounds! Sonic Grenade features • One yellow Sonic Grenade • 3x sound levels, low, medium and high • Pull the pin for sonic sound • Takes 20 second to go off • Insert pin to stop noise • Size: Sonic Grenade H 12.0cm x W 6.5cm Click here to see a larger image of the Sonic Grenade Sonic Grenade batteries • 3x AAA batteries (not included) |
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