This sits somewhere between a chorus, octave and organ style thing. It'll do big wobbly stuff, subtle shimmery stuff or raunchy octave stuff. It's a lot of fun, you can get some really fun tones out of it. 

Model: Boss MO-2 Multi-Overtone
Made: Taiwan, Aug 2013 (serial Z3D6165)
Type:chorus/octave/mod
Power: standard 9v negative supply or battery (not included)
Switching: buffered bypass
Equivalent new street price (approx): $199aud
Mods: none
Accessories: no box or manual
Condition notes: used, no major marks. Overall: excellent condition