Delta Pocket Puzzle __largepuzz Rosin capsule included for maintaining

Rosin capsule included for maintaining the call’s distinctive chirp

You may absentmindedly separate the two pieces after an hour or two of fiddling but good luck getting them back together again without great concentration

they inevitably wind up playing with this shape-shifting geometric sculpture toy

Handcrafted in Germany by Armin Kolb

Delta Pocket Puzzle __largepuzz Rosin capsule included for maintainingThree is the magic number for the delightful Delta Pocket Puzzle. Give the triangular pieces a tug and the puzzle begins to slide apart in three directions at once. Something catches, however, and the metal trio remains locked together. The design of the Delta puzzle is such that once you find the solution, you'll want to take it apart and put it back together, again and again, just to appreciate the simple elegance of the engineering. Designed by