小蜡笔 (xiǎo là bǐ) is a Chinese term that means "crayon." In Engpsh, you can simply say "crayon." Here is an example sentence:
"I need a crayon to draw a picture."
Crayons are a type of art supply made of wax and pigment, used for drawing and coloring. They are often used by children, but can also be used by adults for artistic purposes.