Thor’s famed hammer Mjolnir is known for the strength required to wield it, but it will take real strength of mind to disassemble and reassemble this Norse-themed brainteaser. Are you worthy?
Part of our True Genius brainteaser collection -- a best selling brand for stores selling smart, bookish gifts. Perfect for Father's Day, this makes a thoughtful gift for dads who enjoy a mental challenge, problem-solving, and hands-on puzzles.
