additional info:

Figure 1:

Era	Only payments	Only gains
Prehistoric Era	Food, Cloth.	Knowledge, Stone.
Ancient Egypt	Gold, Stone.	Food, Cloth.
Ancient Greece	Gold, Knowledge.	Food, Stone.
Roman Empire	Stone, Gold.	Knowledge, Cloth.
Viking Age	Stone, Cloth.	Gold, Knowledge.
Renaissance	Knowledge, Food.	Gold, Cloth.
American Revolution	Cloth, Stone.	Gold, Food.
Industrial Revolution	Cloth, Knowledge.	Gold, Food.
World War II	Food, Knowledge.	Cloth, Stone.
Space Race	Stone, Knowledge.	Gold, Food.

Figure 2

item	Payment frequency	Gain Frequency
Food	3	5
Gold	3	5
Cloth	4	4
Knowledge	5	3
Stone	5	3

Figure 3:

dice	effect
1:	Lose 1 Time Crystal.
2:	Gain 1 Time Crystal.
3:	Discard 2 resources of your choice.
4:	Gain 2 resources of your choice.
5:	Move to a random adjacent location.
6:	Gain 1 Action card.

Figure 4:

dice	effect
1 or 2:	2 Food and 2 Gold resources.
3 or 4:	2 Knowledge and 2 Cloth resources.
5 or 6:	2 Stone resources and 1 Time Crystal.

Figure 5:

dice	effect
2 Food resources:	Gain 1 Time Crystal.
2 Gold resources:	Gain 1 Action card.
2 Knowledge resources:	Gain 1 Event card.

Figure 6:

Dice Roll	Gain
1	1 Time Crystal
2	2 Resource X
3	1 Resource Y and 1 Resource X
4	3 Resource X
5	2 Resource Y
6	1 Time Crystal and 1 Resource X