Yantras
You can buy all kind of Siddh Yantras here from Shastriji like Navagraha (Surya, Chandra, Mangal, Buddh, Guru, Sukra, Shani, Rahu, Ketu Yantra), Shri Yantra, Kaal Sarpa Yantra, Santan Gopal Yantra, Maha Mrityunjaya Yantra, Kuber Yantra, Vastu Purusha Yantra etc.