1 18 porsche 550 a sypder1: 18 Porsche 550 A Spider Maisto 1: 18 refers to scaled down replicas of the cars and motorcycles with which Maisto has a license agreement, at a scale of 1: 18. Metal bodies and plastic parts are used in the Maisto 1: 18 collection. This collection of Maisto mostly features opening doors, opening hood, opening trunk and detailed chassis. Some parts may not open in some models. In the Maisto 1: 18 collection, the vehicles are mounted on a plastic