Meringue Imitation to practice decoration Does exist a product in market of imitation of not eatable meringue with the same consistency?

This in order to practice decoration and re-use several times the " practice meringue" without the need to make and waste real meringue.

Thanks for any advice
they make this stuff called Presto Pastry Pride ready to whip topping. It's pretty similar in consistency and can be piped very well. It's also pretty great as frosting. I think it would be perfect for you and it's pretty cheap. You can find it in the frozen section at smart and final.