Sands of Time

From Xiaolin Showdown Wiki

The Sands of Time is a Shen Gong Wu that allows its user to travel through time. It was discovered in "The Sands of Time". Omi and his future-self won it in a Xiaolin Showdown Tsunami against Jack Spicer and his future-self. Future-Omi took it into the future and hid it for safe keeping.