A German economic miracle - like hardly any other German engine design, the VW boxer engine symbolizes Germany's rise to one of the most powerful industrial nations in the world. In 1946, the series production of the air-cooled 4-cylinder engine with its characteristic sound began alongside the VW Beetle. By 1949, this engine also found its way into the VW T1, the world-famous "Bulli." This unit is still one of the most produced vehicle engines of all time worldwide and is revered by countless classic car enthusiasts around the globe. With this "2in1" package, experience a transparent functional model of the 4-cylinder engine as it was used in both the Beetle and the Bulli. The special feature: at the end of the assembly, you decide whether it will be the Beetle engine or the Bulli engine! Build a transparent, functional engine model in two to three hours – and from a certain point in the assembly, you can choose whether it will be the Beetle engine or the Bulli unit! All components can be easily snapped together and screwed. And the best part: you won’t need any glue! For each of the two engine versions, you will find the appropriate assembly instructions for the kit as well as the development history of the closely related vehicles. Contemporary photos provide a deep insight into the history of the Volkswagen factory. The included flip book ensures that you always use the correct instructions – no mistakes allowed!.