58 GBP (approx $100 US with shipping included)
the melody puzzle is an experimental lofi modular sound device that explores the concept of 'combination patching' in order to control a 6-oscillator wavetable synthesizer and poly-step sequencer
more info here---includes: melody puzzle modular synthesizer, 20 patching wires, 9 page instruction manual
https://www.etsy.com/uk/listing/6022688 ... e_active_1
[youtube]http://www.youtube.com/watch?v=6N0PLzw3Gkk[/youtube]