Product will be available May 1, 2013. *Porsche Go-Kart is exclusively sold through your local authorized Porsche Center. Exclusively designed by the Porsche Design Studio in Zell am Zee, Austria. A go-kart specially designed for children. Adjustable seat accommodates children from ages 5 to 8. The max riding weight recommended is 110 pounds. A sturdy metal frame and the pneumatic air filled tires are the basis for this sport Go-Kart. Ability to pedal both forward and backwards. Complete with a coaster braking system. Made of metal and plastic.