MUKIKIMRock and Roll It - Micro Piano - Real & Reproducible Working Piano Keychain.Hang on a Backpack and Play Anywhere.Black and White Finger Piano Pad.Small Keyboard

Q: what battery does this use ?

Micro Rock And Roll It Pianos & Drums use 1 CR2032 battery & is included.

Q: How much pressure do the buttons need? Im doing research on animals and music - would a mouse be able to push the buttons?

Not much pressure is needed - but the type of mouse might matter for this one as a small one/baby might not be able to trigger sound, but a larger one may be able to :)

Q: Does this item contain all 4 styles or just 1 for the price listed?

The package contains 1 style of the Micro Rock And Roll It. For this item is Micro Black & White Piano.

Product ID: 733825161

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Description

MUKIKIMRock and Roll It - Micro Piano - Real & Reproducible Working Piano Keychain.Hang on a Backpack and Play Anywhere.Black and White Finger Piano Pad.Small Keyboard