We did years ago when the kids were young....all daughters and the youngest continues to compete Nationally in NHRA Super Comp & Top Dragster.
Best times of growing up and it kept them out of trouble. Here are the sites you need:
http://jrdragster.nhra.com/
http://jrdragsterplus.com/
And where to buy one. ET limits are based on the drivers age....so match the car to the kids age and class:
http://www.racingjunk.com/category/2...-Dragster.html