DIY Moon Sand
I usually start out making a smaller batch. I use 2 cups of flour and 1/2 C of baby oil.
I find that playing around with it also helps my anxiety and makes me feel calmer. Maybe because of how soft it feels and you can easily mold it.
Just store it in an air tight container. I'm using an old baby formula container.
By the way, you should always keep used coffee, butter, plastic tubs because they make great storage containers for your craft supplies.