How did they make the Pyramids without wagons, wheelbarrows or pullies?
The pyramids of Giza were completed by 2600-2500 BC (fourth dynasty).
The wheel was not introduced to Ancient Egypt until 2400 BC (fifth dynasty).
Pulleys were not used in Egypt until 1900 BC.
Chariots were not introduced in Egypt until 1700 BC.
Also there were no power tools and the company Caterpillar didn't exist back then.