Prayer Wheel - Solar Powered Prayer Wheel Flat with Round Wheel Solar Prayer wheel does not require electricity. Om Mani Padme Hum is the Great Six Syllable Mantra of Chenrezig, the Bodhisattva of Compassion. It is the most widely practiced mantra of Tibetan Buddhism & is known to have great power to bestow peace & wisdom. Gold trim with coral and turquoise. Saves electricity and spins prayers all day indors and out. Proceeds go to Tibetan refugees.