Eureka!, Page 9

Hanayama Cake depicts a cake with a quarter sliced away, revealing three layers inside. Your task: free the three cake layers and put them back together.

Hanayama Infinity is not only infinite in appearance — the movement needed to disassemble it also feels endless, until the puzzle finally separates into three pieces.

Dial is an attractive Hanayama puzzle. Disassemble it into four parts by rotating the double-sided dial and gradually sliding out the base. Then put it back together!

The challenge: separate the Hashtag (#) puzzle into four pieces and reassemble it. Material: metal. Difficulty: 3 out of 6.

Bishop belongs to the Chess Puzzle series. The challenge: find the coin hidden inside the chess piece. Each piece conceals a unique mechanism.

Queen belongs to the Chess Puzzle series. The challenge: find the coin hidden inside the chess piece. Each piece conceals a unique mechanism.

King belongs to the Chess Puzzle series. The challenge: find the coin hidden inside the chess piece. Each piece conceals a unique mechanism.

Set of 10 metal puzzles (blue). Multiple difficulty levels — both experts and beginners will be challenged. A wide range of puzzle types in one box.

Set of 10 metal puzzles (purple). Multiple difficulty levels — both experts and beginners will be challenged. A wide range of puzzle types in one box.

Set of 10 metal puzzles (green). Multiple difficulty levels — both experts and beginners will be challenged. A wide range of puzzle types in one box.