How I make my color acrylic powders!

Update Everyone has been asking about the spice grinder. The one I used is no longer available but here is a similar one amzn.to/2UCeRn2
Hello Everyone this is a tutorial on how i make many different color acrylic powders. I purchased the containers 6 for $1.99 from michaels's. The chalk was $6.99 but with the coupon I paid $3.49.
The rest of the info is on the video. Enjoy!
The grinder - amzn.to/2UCeRn2.