bOSC - CEM3340 Based Oscillator

Marsoni

M251S

$119.00

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

bOSC - CEM3340 Based OscillatorA triangle core oscillator that is based on the same CEM3340 chipset used in legendary synths (SH 101, Prophet 5, MemoryMoog). Offers a wide frequency range from 80s cycles up to 40kHz.

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My daughter loves this book and especially enjoys pushing the buttons to hear the animal sounds. We aren’t quite old enough to match the pictures to the buttons yet, but she has so much fun pressing them and mimicking the animal noises, which makes this a great early learning experience. The bright Eric Carle illustrations are engaging, and the interactive buttons keep little hands busy. A wonderful toddler-friendly sound book that grows with your child and encourages sensory play and language development.

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Reviewed in the United States on January 27, 2026

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Maria Timotheatou

Battle Creek, US

★★★★★ 5

Great Book for Engagement and Following Directions

Format: Hardcover

Great book! I use it to teach animals and following directions, and it keeps the kids engaged. I covered mine with contact paper because it is delicate. The pages are nicely printed with a glossy finish, but they are made of thin paper.

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Reviewed in the United States on May 10, 2026

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Denise Banna

Bozeman, US

★★★★★ 5

My grandson starting @ 6mo loved the sounds. He still loves the book now @ 2yo.

Format: Board book

Beautiful & Brilliant colors, well made book. The battery is still going strong after 2yrs of use by my grandson.

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Reviewed in the United States on February 19, 2026

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