Equa Pocket Puzzle Outdoor this collection is more comprehensive

this collection is more comprehensive

Refined yet whimsical

many of them are hiding in your very own home

kind of like Ali and Steve themselves

white borders

Equa Pocket Puzzle Outdoor this collection is more comprehensiveThis unusual mechanical challenge was inspired by the design of an ancient scientific instrument called an astrolabe. Two crossed rings rotate within the tetrahedral frame but small metal tabs block their movement in certain directions. It may seem unlikely, but not only is it possible to unlink the rings and remove them from the frame, there are two different ways to do it. One solution unlocks both rings at once, and the other takes them out one at