Click on the buttons, and bother your teacher! Or make them laugh, it depends.
All by me. Well, except for the sounds of course. A fail-safe for in case all those other websites get blocked. Press space to reset sound effects. Press R to reshuffle colors, if you want to. You can click the button with the mouse, or press z while hovering over the button. And finally, press G to play them ALL AT ONCE. (And press 1, 2, 3, and 4 together to get a surprise!)