You can buy those coins with the name of your kids and leave it for ten (10) years or more depending on how you want them. When you will come back to check it, you will surely be shocked to see changes.
And in fact, I can attest to this because in my case it has changed my life allowing me to have a better quality of it.
I believe that cryptocurrencies are a field that gains more followers every day and the best option to lift poor and needy people out of poverty.
They are the future and I think like you, they should embark on this adventure as soon as the benefits in the future come before them.
Yes, cryptocurrency is the future and it should be taken very seious.