Snap Circuits® Sound

Snap Circuits® SOUND is a terrific addition to the Snap Circuits® line. Learn all about sound and how it is made and heard. Build more than 185 projects to help demonstrate the principles of sound. Features: Contains over 40 Snap-Together parts. Build over 185 exciting projects. Connect the unit to your smartphone and analyze sounds with downloadable apps. Voice changer: Record voice or music and playback at different speeds. Snap-together parts require no tools and ensure correct connections. Requires 4 "AA" batteries (not included). Clear and concise illustrated manual included and available online. For ages 8 and up. Batteries: 4-AA