PRODUCT DESCRIPTION:Stimulate your brain with a puzzle! These twisty Wire Puzzles will challenge your spatial reasoning abilities and help you enjoy your coffee break. Puzzles make great cubicle toys and gifts for both young & old. The six pieces vary in difficulty， but don't be fooled: they're harder than they look!TECHNICAL SPECIFICATIONS:Set includes 6 puzzlesVarying difficultyGreat gift or cubicle toyNot for the easily frustrated!