I believe life is all about creating special moments and the funny thing is most of the time they just pop up at unexpected times. When I think back of my childhood, I remember the most obscure special moments. It didn't take thousands of dollars or a huge production, it just took spending quality time with someone special.
Take a look at this Great Father and Son Moment from Chris Cobbett posted by Steve over at Inside Fatherhood. These moments can be created by simply spending time with your children and the more of these moments you can create, the more memories they will have.