Buy Big Point Recordable Buttons - set of 6 - Nenko
Amazon.com: Recordable Buttons, Communication Sound Buttons, 30S Recording Upgrade, Talking Button, Easy Use, Material Safety, Answer Buzzer, Increase Fun, Contains 2 AAA Batteries (Red+Black) : Pet Supplies
Amazon.com: Recordable Buttons Set, Leepesx Voice Recording Button Learning Resources for Dog Cat Animal, Talking Recorder Buttons for Kids Interactive Toy Answer Buzzers Set of 4 (Orange+Pink+Blue+Green) : Toys & Games