Quantity   Component name
1 × Arduino Uno this it the brain of everything
1 × Serial mp3 Player this tells the speakers to play sound
1 × Speakers as long as the speakers have a USB port they should be fine
1 × Capacitive touch sensor this is what you wire the "buttons" to to connect to the arduino
1 × Large plastic board you can engrave in this is the body
1 × Sheet of aluminum this will be the "buttons"
1 × Wires so you can connect everything