Butterfly box, a.k.a. Pleasure and Pain, by Wil Strijbos.A famous puzzle (box? lock?) that has brought pleasure and/or pain to many puzzlers.Instructions:Turn the black "lock" tube straight up and then put EVERYTHING back EXACTLY in the start position. Please don't use any force - when you feel friction, stop!Just turn things over, slide things back and forth carefully, change positions etc.No Banging, No Rotational Moves, No Force Required at all! ...and remember there is No Hurry, please t...
€390.00