MUTATIONS - The Ultimate Prepared Piano

Marsoni

M251S

$99.00

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

MUTATIONS - The Ultimate Prepared PianoMUTATIONS is a deeply configurable prepared piano, with everything you need to create rhythmic, percussive and unique prepared piano textures. The library gives you the feeling you are in the room with a grand piano, and with a level of control that is as close as can be to having a hand under the lid, placing the bolts mutes pegs screws picks or ping pong balls yourself. With 6 preparations + pure string, and some additional special effects

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Bought these for gifts. One dog was squeaking it constantly (beware your ears lol) and within about 15mins it no longer squeaked. It was a Bernedoodle so wasn’t destroying it, just happily making it squeak. It still works as a bouncy ball. But the squeaker definitely doesn’t last long depending on how much it’s used. Overall a cute concept providing plenty of entertainment. Definitely not a toy if you have an aggressive chewer unless monitoring play.

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Reviewed in the United States on February 16, 2025

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Ladidulce

Dallas, US

★★★★★ 5

DOGS LOVE

Size: 1 Count (Pack of 1), Style: Heart

My dogs love it! I buy as gifts too as it’s always appreciated. Easy squeak and fun to bounce with all the sides. My dogs chew until they crack & still squeak for a bit. When eventually squeak stops my dogs still return to it. They seem to love just for the air sounds. I personally appreciates that more than the squeak but what do I know? I’m not a dog.6

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Reviewed in the United States on July 9, 2025

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C. Wisner

Port Orchard, US

★★★★★ 1

Great, but they don't last.

Size: 1 Count (Pack of 1), Style: Heart

Our dog absolutely loves these things. However, they get punctured or form a crack on a seam with very little use. This time it only took a couple of hours of play. Once this happens, they no longer squeak. This may sound weird, but the heart shape seems worse for this defect.

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Reviewed in the United States on August 31, 2025

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Craig Johnson

Whiting, US

★★★★★ 5

It’s great for aggressive chewers

Style: Tipsy Rosé

My dog loves this treat ball! I like the shape because it doesn’t roll under furniture!

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Reviewed in the United States on April 12, 2026

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Jennifer Hudson

Lexington, US

★★★★★ 5

Her favorite

Style: Tipsy Rosé

Our weimaraner Gracie loves her wine glass. Whenever it's empty she drops it in front of us to have it refilled. It's very durable and cute, it's easy to fill plus she has no trouble carrying it around. We'll be getting another so she doesn't have to continue to hide it from our other girl. It's quite obviously her favorite.

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Reviewed in the United States on February 20, 2026