Bilangan 4:12

4:12 Then they must take all the utensils of the service, with which they serve in the sanctuary, put them in a blue cloth, cover them with a covering of fine leather, and put them on a carrying beam.

Bilangan 8:8

8:8 Then they are to take a young bull with its grain offering of fine flour mixed with olive oil; and you are to take a second young bull for a purification offering. ¹ 

[8:8]  ¹ sn The first sacrifice was for the purification of the Levites. The second animal, which Moses was to take, would be used for the purification of the tabernacle from all pollution.