By A Mystery Man Writer
Foucault's Pendulum - String and Wood Disentanglement Puzzle. Wide Range of Premium Grade, Hand Carved Disentanglement Puzzles to be Unhooked.
Foucault's Pendulum - 55cm
VERA NEUMANN Smithsonian Foucault Pendulum poster 1970s
Foucault's Pendulum Disentanglement Wood and String Puzzle
Rob's Puzzle Page - Tanglements
Foucault's Pendulum Disentanglement Wood and String Puzzle
String Puzzles - Solve It! Think Out of the Box
Wooden disentanglement puzzle with two metal parts, and a string ended by two wood balls - Puzzling Stack Exchange
Foucault's Pendulum - Wolfram Demonstrations Project
String Puzzles - Solve It! Think Out of the Box
Param Innovation - Exhibits
Disentanglement Puzzles: Solution to Entrap's Tail from SiamMandalay®