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French electronic duo Daft Punk offered up the black sports car and Perry donated the cupcake trampoline prop she is currently using as a setpiece on her California Dreams tour.

The Ferrari went under the hammer for $25,600, while Perry's colourful item fetched $4,966.

But the winning bidder for the pop star's trampoline faces a wait for the odd item - it won't be available until after Perry completes her tour in January, 2012.

Other big items sold on Thursday included a limited edition Beatles Sting-Ray bicycle, which featured animation from Yellow Submarine. That sold for $3,280. And one Dean Martin fan paid $1,473 for the chance to record a duet with Dino at the legendary Capitol Studios.

Signed guitars donated by Norah Jones and Willie Nelson, and David Bowie and Duran Duran memorabilia also went under the hammer.

All proceeds from the online auction will benefit earthquake/tsunami relief charities in Japan.