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8000 BCE
The calendar
It's used to count the days,months, and years.
advantages: It's easy to use, counts the daysa of a year, it doesn't take a lot of space.
disadvantages: you have to chop down trees to make it. -
4000 BCE
The wheel
The wheel was the greates invention for the lazy humans, they wouldn't have to walk.
It was created in the Mesopotamia.
advantages: it's a good way to move something that is heavy, it's easy to make.
disadvantages: it pollutes a lot, it's expensive to make -
3000 BCE
Paper
paper, useful to write, nothing more. Maybe to cut a little bit.
Advantages: you can write on it, you can do any form, it does not contaminate.
disadvantages: it can cut you, it can be destroyed easiliy, you have to chop trees to make it -
3000 BCE
Concreter
The concreter is useful to help humans building paths, buildings and statues.
Advantages: It helps humans to build things, it's easy to make, it has a high durability
Disadvantages:it's heavy, it's contaminating while making it, it's a little bit corrosive -
200 BCE
The compass
The compass was created to help humans with orientation.
Advantages: It's useful to guide us,