Hi Deanie: Here are a couple of ideas:

https://www.nobiggie.net/diy-mini-snow-globe-ornament/

https://petticoatjunktion.com/christmas/learning-create-winter-snow-scene-jar/

https://bitzngiggles.com/illuminated-snow-scene-in-a-jar/

Good luck and happy crafting

Here is a tutorial https://familyfocusblog.com/winter-candle-decor/

I use white Epsom salt and sprinkle white or clear glitter to give it even more sparkle.

You might like this:

https://www.hometalk.com/5871225/how-to-make-winter-wonderland-mason-jars

Winter Wonderland Mason Jars

This looks like a fun project! Good luck. https://simplecravesandoliveoil.blogspot.com/2012/12/diy-anthropologie-mason-jar-snow-globes.html?m=1