Awesome way for children to use their creativity in a fun way. The Madarri line of toy cards from Thoughtfull Toys is a line of toy which allows owners to 3D Print the parts. This is actually a pretty successful kickstarter project located here: http://www.kickstarter.com/projects/...car-reinvented. Take a look at some of the picture below:
http://www.3ders.org//images/modarri...-toy-car-1.png
http://www.3ders.org//images/modarri...-toy-car-2.png
