The Smart Lab “You Build It Voice Changer,” this kit will make you wonder, when does the fun end? Learn about electronics while you follow the included book and build a voice changer from scratch. After completing the project, enjoy the 4-way voice changer and make your voice sound outrageously scary or even extremely silly!
Includes everything you need to build an electronic voice changer. Includes a 24 page color booklet about the science of sound!
Why don’t bats crash into things when they fly at night?
How can a machine tell when you are lying?
Why does your voice change as you grow up?
Ride the waves of sound with award-winning author Paul Beck!
Requires one “9-volt” battery. (Not included)
Box Size: 11.00in (27.94cm) x 8.50in (21.59cm) x 3.25in (8.26cm)
Recommended for ages 8 and older.
Weight: 1 lb 3 oz ( 0.54 kg )