Exodus 24:4

24:4 and Moses wrote down all the words of the Lord. Early in the morning he built an altar at the foot of the mountain and arranged twelve standing stones – according to the twelve tribes of Israel.

Exodus 31:6

31:6 Moreover, I have also given him Oholiab son of Ahisamach, of the tribe of Dan, and I have given ability to all the specially skilled, that they may make everything I have commanded you:

Exodus 38:23

38:23 and with him was Oholiab son of Ahisamach, of the tribe of Dan, an artisan, a designer, and an embroiderer in blue, purple, and scarlet yarn and fine linen.