54 cards All cards have different picture cards! The surface is transparent. But even though it is transparent, the picture cards and numbers cannot be seen by the other party! Product Specifications: – Material: Playing Card (PVC), Case (PS) – Card size: H88 × W58 mm – 54 pieces of number cards – 1 spare cards – Original case Copyright: 青山剛昌/小学館・読売テレビ・TMS 1996