For $2,000,000 on eBay, you could buy the Seaboost SR-3, which is a “new and revolutionary product on the market that is light, easy to transport, and has no competition.” Auction page. Video after the break.

Then preparation for the BRUSSELS EUREKA fair and improvement of the initial concept to arrive at the current 3-function model. Two dominant functions (sitting and standing), plus a third, independent water skiing.

[via eBay]