Start collecting toys … old vintage toys … cards of some sort … perhaps that way, over the next 10+ years, you and your child could collect together and bond over something child‑like! I love seeing my son play with the toys I’ve gathered … little does he know, maybe one day they’ll be extremely valuable… and all for him! So it feels like a cool thing, because you might really gain something valuable to hand down and leave behind! “Dad, dad! Let’s go to the flea market this weekend” …when I hear my son say those words, I think I’ll be a very happy dad, and I’m pretty sure I’ll feel cooler than a cucumber.