The True Genius line brings together brainteaser puzzles and links each design with an ancient civilization including China, Aztec, Rome, Greece and Egypt. The puzzles are finished in an antique style to look as though they might actually be artifacts from long ago. The True Genius line offers a wide variety of price points, difficulty levels and solve types - filling in the gaps of any store's puzzle section or standing alone as a comprehensive collection of brainteasers. This hypnotic fidget toy will set your brain on a loop. Each ring glides seamlessly on to the next. Watch it spin again and again and again and again…Compact fidget toy is great for travel, birthday gift, or holiday stocking stuffer.