Challenging Logic Puzzle for Adults & Kids (Ages 8+) - Test your spatial reasoning and patience with this high-difficulty brain teaser—perfect for thinkers of all ages. Includes Real Glass Bottle + Puzzle Components - Comes with a wooden rod, nut and bolt, pin, and wooden marble—beautifully enclosed in a Grecian-style glass bottle. Remove & Reassemble All Internal Pieces - Solve by disentangling and removing the components—then master the true challenge: putting it all back together. Great Gift for Father’s Day and Puzzle Lovers - Ideal brain game gift for dads, coworkers, teachers, and teens—makes a stylish desk toy or display piece. Part of the True Genius Ancient Civilizations Collection - Inspired by Grecian history and designed to stimulate the mind—collect them all for the ultimate puzzle set.