Nazi monster Adolf Hitler kept his German followers under his spell with bizarre Top Trumps-style trading cards, a new exhibition on the fascist dictator has revealed.The exhibition – at Berlin’s German Historical Museum – is believed to be the largest ever collection of Nazi propaganda tricks used to bolster the dictator’s popular appeal in his country.Packs of cards – showing the Nazi party’s top leaders – were a favourite with youngsters who collected them and swapped them just like modern teenagers do.Others included special Brown Shirt brand “Trommel” (Drum) cigarettes and even Chinese lanterns for Christmas celebrations that came plastered with Nazi swastikas.Curators say the exhibition called “Hitler and the Germans: Nation and Crimes” will show how deeply the Nazi party and the personal cult of Hitler sunk into ordinary Germans.