3D Metal Double Cylinder Engine Puzzle Size: 13 cm x 19

Size: 13 cm x 19 cm (approximately 5

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Size: 20 cm x 13

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3D Metal Double Cylinder Engine Puzzle Size: 13 cm x 19Number of Pieces: 217 Product Color: Metal Size: 21. 5 cm x 21 cm (approximately 8. 46 inches x 8. 27 inches) Material: Stainless steel, aluminum alloy Difficulty Level: (Hard) Recommended age: Suitable for ages 14 and up Caution: Contains small pieces, so children should be supervised by an adult The 3D metal double cylinder engine puzzle represents an engaging way to explore mechanical design Perfect for enthusiasts of miniature engines, this puzzle