Harmony Pocket Puzzle Book and stem cell

and stem cell

Wooden display tray measures

Made of solid brass with carefully selected stainless-spring steel leaves (for rigidity and corrosion resistance)

Four heavy steel pieces interlock to create a modern masterpiece of mechanical puzzles

Braniff Airways took flight as a visionary bond between two brothers who joined forces to create one of the world's leading airlines

Harmony Pocket Puzzle Book and stem cellThis shimmering take apart puzzle is perfect for any music lover. The golden G clef and silver eighth note seem hopelessly intertwined. Noisy jangling will not coax them apart. A series of carefully orchestrated movements is required to separate the pieces and in this case, the solution is just as elegant as the design. Designed by Dmitry Pevnitskiy and Kirill Grebnev of Russia. Manufactured by Hanayama of Japan.