Numbers 17:10 Num. 17:10
And the LORD said unto Moses, Bring Aaron's rod again before the testimony, to be kept for a token against the rebels; and thou shalt quite take away their murmurings from me, that they die not.
Numbers 20:8-9 Num. 20:8-9
8 Take the rod, and gather thou the assembly together, thou, and Aaron thy brother, and speak ye unto the rock before their eyes; and it shall give forth his water, and thou shalt bring forth to them water out of the rock: so thou shalt give the congregation and their beasts drink. 9 And Moses took the rod from before the LORD, as he commanded him.
(Relation)