Serhiy Grabarchuk is a famous Ukrainian puzzle designer who lives in Uzhgorod. The puzzle depicted on the piece of drawing that he sent looked like a strange adornment weaved into a "coiffure" design. If you put a glass carefully onto the completing puzzle, it becomes, indeed, a coaster. Using this when serving drinks to guests will on doubt create stimulating conversation. The theme is "coiffure." Level 4 puzzles are considered challenging for the average puzzler.
Hanayama is known worldwide for challenging puzzles and quality manufacturing. Can you take the pieces apart, then put them back together again? Hanayama cast metal brain teasers have 6 levels of difficulty, and each puzzle is Mensa-rated. Level 4 puzzles are considered challenging by most puzzlers. BePuzzled is the exclusive distributor of Hanayama Cast Puzzles in the USA.