Horse Buggy Blueprints Building Plans (blueprints) For A Mini Cart/ Buggy?

Building plans (blueprints) for a Mini Cart/ Buggy? - horse buggy blueprints

I broke my standard mini drive a car with a simple attachment of friends, but she needs it and are willing to go our own way. My husband says, it seems easy to build and when it original projects that can save me money because they are so expensive could build. Does anybody know where I Plans for a mini-car can not? My horse is 33 "tall. Thanks