Step into your composer era and bring the music with you wherever you go with KaKo'o Mini Keychain Silicone Instruments! Designed for fun, function, and portability, these flexible roll-up instruments double as a musical fidget toy, letting you create music anytime, anywhere. Each instrument features a high-quality silicone pad, built-in speaker, and an included battery—so you're ready to play right out of the box. Just pull the plastic tab from the back and let the jam session begin!