The Colouring Singapore Postcards are adapted from William Sim's popular Colouring the Lion City book. Now travellers can have a handy souvenir of their visit to Singapore. Each book of 20 postcards features tourist attractions such as the Singapore Zoo, Raffles Hotel as well as other aspects of the country that are popular interest with visitors. Each postcard includes a short write up on the back giving details of what is featured. What's more, visitors can colour and personalise the postcards before mailing them to friends and relatives.