This is a very nice coding course for young kids - by Tariq Rashid. Totally FREE.
Highly recommended.
Download:
https://codeguppy.com/site/download/tariq/creative_coding_for_kids.pdf
Note: This is the codeguppy.com version (uses p5.js on codeguppy.com - a website for kids). Mr. Tariq has also raw p5.js version and book format version of this course as well.