As far as scooters go this is the standard by which all are judged. Sturdy and even (though definitely not advised) an adult could ride it they are so ruggedly made. They are rated to 143 lbs. Set up is easy as they fold like a jack knife. Just unfold it, telescope the handle to the right height, and lock it all down and you are ready to go. Elapsed time under a minute. To store just reverse the procedure. It took longer to get it out of the box than it does to "assemble".