The synthesizer is a multi-functional educational toy that develops imagination, musical skills, sense of rhythm, hearing, and also allows us to awaken the musical passion of our little virtuosos. The keyboard is a proposal for all children interested in the world of music and sounds. The synthesizer has: - on/off button, - musical keyboard (36 white keys + 25 black keys), - digital display, - 16-tone keys (e.g. piano, harp, jazz guitar, cello, trumpet, saxophone...), - demo button (6 melodies), - buttons that activate 10 rhythms (eg disco, funk, ballad, cha-cha, polka ...), - volume control buttons, - tempo control buttons, - start/stop button, - record button, - SE/PLAY button, - 8 combinations thanks to the drums, - chord button, - microphone output, - USB connection, - speaker, - microphone, - Feed. INSTRUMENT POWER SUPPLY (replaceable): 1. via the network - a power adapter connected to the keyboard, 2. AA batteries (4x1.5V - not included). Dimensions - keyboard about 65.5 cm x 5 cm x 19 cm, - package about 73 cm x 6 cm x 19.5 cm.