Need help

[my little pony collector]

Hello I am making my first custom and I hit a stomp I realized that I have no idea what paint to use
Can you help me

 

[The Cleo Collector]

use gesso to prime it and I find acrylic work well for me.

 

[Safflower]

Acrylics should work well. Don't use enamel or nail polish, it will go sticky over time.