The museum, located at 23-B Coleman Street[1] in Singapore, was formerly part of the Anglo-Chinese School, completed in 1906.

In the 1970s, the building became the Methodist Book Room until it was restored to become the present museum.

Near the Singapore Philatelic Museum is the recently restored Masonic Club.

[3] The Children's Museum Singapore officially opened on 8 December 2022 by Deputy Prime Minister Heng Swee Keat.

[4] Baldwin's Auctions of Stanley Gibbons was selected to sell the key items from the Museum's collection in 2024.