$30.00 Save $-30

A fascinating lock made from two contrasting wood colors. This lock doesn’t need a key to open. Instead, your task is to move the slider horizontally and pull the platform so you can open it. Over 300 moves are needed to open this sequential movement puzzle designed by the German Jean Claude Constantin.

Object: Open the lock
Difficulty: Level 10 - Mind Boggling

Dimensions 10.5 cm x 7 cm x 3 cm / 4.13 in x 2.76 in x 1.18 in