SMARTLAB (Voice Changer) CESL006


A Do-It-Yourself 4-way voice changer plus a book vibrating with facts about sound.

SKU: CESL006 Category: Tag:

Express yourself! Includes everything you need to build an electronic voice changer. Change your voice to sound silly, scary, robotic, or just plain loud.
– Why don’t bats crash into things when they fly at night?
– How can a machine tell when you’re lying?
– Why does your voice change as you grow up?

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