Family bikes
Attached pdf is an article introducing all kinds of family bikes in the Netherlands. There are basket bikes, box bikes, etc. Up to 5 kids max.
https://drive.google.com/file/d/0B_z0QeQ5-I5-bGcxYUQtWTl1ejA/view?usp=sharing
https://drive.google.com/file/d/0B_z0QeQ5-I5-bGcxYUQtWTl1ejA/view?usp=sharing