What materials were used in the creation of Egyptian written records?​

Papyrus, chisels, hammers

Explanation:

“The ancient Egyptians invented of type of paper called papyrus, which was made from the river plant of the same name. Papyrus was a very strong and durable paper-like material that was used in Egypt for over 3000 years.”

article: https://www.penn.museum/sites/egypt/writing.shtml

the papyrus came from the papyrus plant :)

also: “The tools used by the craftsmen for writing hieroglyphic symbols consisted of chisels and hammers for stone inscriptions and brushes and colours for wood and other smooth surfaces.”

article: https://www.britannica.com/topic/hieroglyphic-writing/Cryptographic-hieroglyphic-writing

rain should be the answer.