We are a book printer. We are buying sound kits. We will use the kit to attach onto a book as an accessory. Each sound kit has 8 sound buttons. Each sound duration is around 3 or 5 seconds. Animal sounds. Sound kit size: 9 x 30. 5 cm. Order quantity: 3, 000 or 5, 000 or 10, 000 copies. Please advise your email address so that I can send you the demonstrating photos? More information, please contact me: It's rather urgent, so please let me have your prices as soon as you can.