VI Sound Tennis Ball - Tennis Ball for Visually Impaired
Drama Game: Sound Ball - Beat by Beat Press
APH Sound Balls: Boing Boing (Yellow) | American Printing House
Sound Ball helps visually impaired play football | sportanddev
Sound Balls! - Yanko Design
Amazon.com: Haktoys Light Up Bouncing Ball, 4” Vibrating Crazy Fun Toy with Flashing Bright Lights, Music and Sound (Batteries Not Included, Colors May Vary) : Toys & Games