This metal take-apart puzzle is so much fun to play with, you’ll want to solve it again and again. Two lower-case “a” shapes are hooked together. One is golden and one is silver but other than that, they appear to be more or less identical. Fiddle with the piecesto revealan extremely satisfying sequence of flipping and slipping movements that allow the two a’s to rotate around, inside and through each other. The solution is simple but exciting and the repeat play value is high.

Designed by Vesa Timonen of Finland.Manufactured by Hanayama of Japan.