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?
SMARTLAB (Voice Changer) CESL006
₦6,900.00
A Do-It-Yourself 4-way voice changer plus a book vibrating with facts about sound.
