ItemLevelWhat’s needed?Time
brown clay601x trolley?
white clay651x trolley
1x copper pick
sand742x trolley?


1.60610x earth relic
4x wind relic
4x fire relic
3x saw
990 00012d


Upgrade1 star2 stars3 stars4 stars5 stars
1 need1x drawing
1 get+5% of experience for manufacturing of goods
2 need3x drawing
2 get+10% of production speed
3 need4x drawing
3 getno workers needed for production in the first slot
4 need6x drawing
4 getupon receipt of experience for manufacturing good, 10% of it is issued in gold