Meru Prastha Shree Yantra with Swastik and Pyramid This beautifully crafted piece includes Tortise, Sampoorna Sri Yantra, Pyramid and Swastik Shi Yantra is the most powerful Yantra. It is also known as king of all Yantras. It is establish and known for providing good education, intelligence, creativity, spiritual enhancement and wealth. It is a diagram formed by nine interlocking triangles that surround and radiate out from the central bindu. The word Sri Yantra is composed of two words Sri meaning wealth and Yantra meaning instrument, therefore, we can call it - The Instrument for wealth.