First, start wit two power pieces with batteries. Put the pieces on the mounting boards as you build.
Next, add the Makey Makey bit.
Connect an alligator clip to the earth port in the Makey Makey. Then, attach the other side to tinfoil.
Attach wires to three smaller pieces of tinfoil and attach them to the left arrow, space/click, and the right arrow ports.
Attach the keyboard to the right arrow port.
Add an oscillator after the keyboard.
And then the envelope after the oscillator
The filter comes after the envelope
And the delay goes after the filter
Attach one of the mix wires to this synthesizer circuit.
And then add the speaker after the mix bit.
Attach the proximity sensor to space/click on the Makey Makey.
And then add the baragraph after that.
To complete this part, add the buzzer after the baragraph.
Next, add the micro sequencer in the left arrow snap on the Makey Makey
The random bit goes after that...
...and then another oscillator.
Add the remaining mix wire to the oscillator.
Finally, add the alligator clips to the ports of the Makey Makey and the smaller pieces of tinfoil
Turn both power bits on. Turning one on will make the other light up, but make sure both are on. This project can also be done with one power bit, but I recommend 2.
Touch the smaller pieces of tinfoil to the larger ones to activate different functions.