3D Metal Toyan 4-Stroke Twin Methanol Engine Puzzle Size: 16 cm x 16

Size: 16 cm x 16 cm (approximately 6

3 inches x 3

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3D Metal Toyan 4-Stroke Twin Methanol Engine Puzzle Size: 16 cm x 16Displacement: 3. 5cc*2 Rotational speed: 4000 16000rpm Cylinder diameter: 16. 60mm Piston stroke: 17. 00mm Weight: 675g (single) Product Color: Metal Size: 11 cm x 9. 3 cm (approximately 4. 33 inches x 3. 66 inches) Material: Stainless steel 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 Toyan 4 stroke twin methanol engine puzzle represents