Keyboards are electronic instruments that work by recreating a vast array of instrumental sounds that are stored in the onboard system. In January 1980, the company released the Casiotone electronic keyboard, which was designed to be so easy and fun to play that anyone could learn it without any special training or rigorous practice. All items copyright c1989-2018 Keyboards Today/Casio Keyboards.COM. You can search using either or both of the following: Please enter the product name (or part) and click "Search." Whether you are new to it or you have been playing piano, you â¦ 7) Casio WK245 76-Key Touch Sensitive Keyboard with Power Supply This simple and decent looking Piano gives a wondrous and very joyous experience and it is a great choice for all piano players. Experience how creativity becomes contribution. C $124.99. View Offer. It's a great time to upgrade your home music studio gear with the largest selection at eBay.com. About Casio.