<Tr> <Th> Skills required </Th> <Td> Keeping important cards for later, knowing when to put them down, concealing your hand . </Td> </Tr> <Tr> <Th> Age range </Th> <Td> 5 + </Td> </Tr> <Tr> <Th> Cards </Th> <Td> 108 </Td> </Tr> <Tr> <Th> Playing time </Th> <Td> Normally up to an hour but can go higher </Td> </Tr>

How many cards are in the uno game
find me the text answering this question