Electronic fuel injection, independent rear suspension and four-wheel disc brakes are just a few of the technologies tested and proven on Carroll Shelby's 'Green Hornet' rolling testbed. To support the Carroll Shelby Children's Foundation, the man himself will offer a car from his personal collection - the 1968 EXP500 CSS, modeled after the Green Hornet - for charity auction.

Built by Restoration Hardware on an original 1968 Ford Mustang, the EXP500 is mechanically identical to the Green Hornet prior to its Conelec EFI - eventually used on the first Cobra Jet - and independent rear suspension upgrades. The car has been owned by Shelby since 2003, and it's painted in 'Stetson Black', to match the hat he's famously worn for years.

Shelby calls this a 'once-in-a-lifetime' chance. “It’s a stunning tribute to the legendary ‘Green Hornet,’ which I used to test some of the era’s most advanced technology back in the late 1960s. Along with our friends at Restoration Hardware, I’m challenging enthusiasts across America to take part in this charity auction on eBay for a chance to win the ultimate Christmas toy.”

The eBay auction will start on December 2, timed to wrap up just in time for delivery as a holiday gift to oneself or another. A portion of the proceeds from the sale will go to the charity. The car is currently on display at the SEMA show in Las Vegas.