Unlock the padlock and lock it again — sounds easy since the key is right there! But you need to discover the trick to unlock it. A clever mechanical puzzle.
Most of you know neodymium balls NEOCUBE — now meet the brand-new NEOBLOCKS! Magnetic neodymium rectangular blocks for creative building and stress relief.
Hanayama Cast Delta is a beautiful symmetrical puzzle made of three parts. Delta truly stands out for its simple yet elegant appearance — and its surprisingly tricky solution.
Two sturdy G-shaped pieces of Hanayama Cast G&G appear at first glance to be loosely connected. Look closer — and you'll discover they are more thoroughly interlinked than you...