What is the number of units at Tampines Heart

There are 501 Tampines Central 1 : 34 units of 4-room flats, and 6 units of 5-room flats; 502 Tampines Central 1 : 10 units of 4-room flats, and 6 units of 5-room flats; 503 Tampines Central 1 : 104 units of 4-room flats, and 13 units of 5-room flats; 505 Tampines Central 1 : 83 units of 4-room flats, and 16 units of 5-room flats; 508 Tampines Central 1 : 45 units of 4-room flats, and 3 units of 5-room flats; 509 Tampines Central 1 : 10 units of 4-room flats, and 6 units of 5-room flats in Tampines Heart.
For a detailed overview of this development and to view additional transactions, follow the link to https://plp.edgeprop.sg/hdb/tampines-heart.