The world celebrated Mario Day on March 10, and to mark the moment toy maker LEGO released the Mario & Standard Kart Set.

Built by Lil Zoomers, this electric Porsche 964 replica go-kart is proof that growing up is optional. This isn’t some expensive toy for toddlers. The mini Porsche is 7.2 ft long and 3.6 ft wide ...

This isn’t just any Ferrari F1-style kart — it’s a Michael Schumacher variant. This TT toy comes ... a week from this story's publication, however, so that will likely go up.

But looking back, If I had this 1970 JCPenny catalog go-kart instead ... over a children's toy? Admittedly, adults could have just as much fun behind the wheel of this kart as youngsters.