Not a comment on the utilitarian Dutch bikes (I luv 'em!) but generally about carrying small children on bikes. If I take a tumble so be it, you can usually roll or baill off the bike and tumble - I'll grow new skin and even bones heal eventually, but the thought of my child smacking the pavement just sends shivers down my spine. I don't know, maybe I'm a little irrational about it because I'm so protective of my kids, but it seems to me that it's a looong way down for a little kid from the back of an adult sized bike... even at a very slow speed.