Albert Einstein's Mind Castle puzzle by Moses challenges your combinatorial skills and spatial reasoning. The wooden puzzle is shaped like a padlock and features precisely crafted, interlocking wooden elements inside, visible beneath a transparent front plate. The objective of the brain teaser is to maneuver the wooden pieces in order to release the hidden key. With its compact dimensions, this decorative puzzle makes an ideal, engaging activity for puzzle enthusiasts or a stylish gift for fans of the famous physics icon.