Button and switch functions (from left to right):

Button No.1 turns on-off power.
Switch No.2 switches alternately flower's LEDs - red, yellow, green.
Button No.3 turns on and switches melodies, at the same time, two LEDs above the large switch near the flowers flash alternately in time with the music.
Switch No.4 turns on-off the flashing of the dinosaurs. 
Buttons No.5, 6, 7 turn on-off the dinosaurs lighting - red, blue, green. Different combinations are possible.
 Four multicolored buttons turn on playback: green - song of the sun, red - cry of a pterodactyl, yellow - dinosaur song, blue -  T-rex dinosaur roar. Wherein the LED above them flashes in different colors .

Two black round knobs - for separate volume control of 12 melodies and sounds of the sun of a sparrow and a kitten.