This is a good idea, I want to save it for my children's future purposes and advance saving for my family too. I hope my children's future will so bright with bitcoin. So I keep bitcoin to them, because bitcoins is one of the best things can invest and has really good potential because the prices are increasing each year.
Yes saving your bitcoins for your children is a good one. If you do that they live a life much better than you now. They will have more money so they can spend more with it.
I have now not so many coins, but i try to get coins. Mosly from airdrops.