Phraphut Kiti Sirichai or Luang Por Yai is the gigantic buddha image that was buit by Wat Thang Sai together with the local people with the intention to offer to Queen Sirikit on the Auspicious Occasion of Her Majesty Queen Sirikit's 5th Cycle Birthday Anniversary. The name Phraphut Kiti Sirichai was gave by Vajirañāṇasaṃvara, the patriarch.