Folding structure for a skate board scooter

A skate board scooter comprising:

• a base having a front end;
• a head tube;
• a handlebar stem extending through the head tube;
• a connecting member extending from the head tube and having a lower end, the lower end of the connecting member including a pivotal hole, a guide hole, and an adjusting hole;
• a first mounting wall and a second mounting wall mounted on the first end of the base, the first mounting wall and the second mounting wall being spaced apart to allow the lower end of the connecting member to pivot therebetween, the first mounting wall and the second mounting wall including aligned arcuate guide holes and aligned pivotal holes, the first mounting wall including a first positioning hole and a second positioning hole, the second mounting wall including a third positioning hole aligned with the first positioning hole, a fourth positioning hole aligned with the second positioning hole, and a connecting slot that communicates the third positioning hole with the fourth positioning hole;
• a pivotal pin extending through the aligned pivotal holes of the first mounting wall and the second mounting wall and the pivotal hole of the connecting member;
• a quick release rod extending through the aligned arcuate guide holes of the first mounting wall and the second mounting wall and the adjusting hole of the connecting member;
• a quick release lever engaged with an end of the quick release rod;
• a positioning rod including a first end and a second end, the positioning rod extending through the guide hole of the connecting member with the first end of the positioning rod releasably engaged within one of the first positioning hole and the second positioning hole and with the second end of the positioning rod releasably engaged in one of the third positioning hole and the fourth positioning hole;
• whereby the handlebar stem is in an operative position when the first end of the positioning rod is engaged in the first positioning hole and the second end of the positioning rod is engaged in the third positioning hole, and the handlebar stem is in a storage position when the first end of the positioning rod is engaged in the second positioning hole and the second end of the positioning rod is engaged in the fourth positioning hole.