The Tokyo Toy Museum is located in the backstreets of Yotsuya in what appears to be a disused school building.

The playground outside is reserved for the use of preschoolers.
160-0004, Tokyo, Yotsuya, Shinjuku-ku, 4-20 Yotsuya Square
- 422 m from Yotsuya-sanchōme Station Marunouchi Line (M11)
- 0.5 km from Shinjuku-gyoenmae Station Marunouchi Line (M10)
- 0.6 km from Akebonobashi Station Shinjuku Line (S3)