This site1 has instructions on how to make a soap box / go-kart for kids... if anyone reading this could click on "comment" and describe what you were looking for in more detail, maybe we can help the next person who comes along...
Paul Clarke's blog - I live in A small town, Kent. Wed + father to 2, I am a full-stack web engineer, + I do js / Node, some ruby, python, php ect ect. I like pubbing, running, eating, home automation + other diy jiggery-pokery, history, tree stuff, TV, squirrels, pirates, lego, and TIME TRAVEL.