Tiny Synth, HUGE possibilities. If you ever wanted top create your own instruments or start learning an analog synth, we have a new way for you to get creative. Invent your own keyboard by turning everyday objects ubtoi musical keys by just clipping them to the Synth-a-Sette using conductivity. Includes everything you need to play melodies anywhere. Includes a 13 key monophonic touchapd, an octave up button, optional vibrato switch, built in speaker, line out, and batteries.