If not left docked at a marina or cottage, a trailer is a necessary accessory for hauling a jet ski out to the lake. But what if you could instead squeeze into the trunk of your car? That’s the dream this inflatable Sea-Doo realizes—if only it weren’t sized for children.

Powered by a rechargeable battery that keeps the $350 Sea-Doo toy running for almost 60 minutes between six to eight-hour-long charges, it can surprisingly support riders up to 154 pounds in weight. So some adults can squeeze onto it, they’ll just find the ride a little cramped, and the craft on the brink of sinking.

But an adult-sized version isn’t a completely implausible thought. Even the military relies on inflatable boats that can withstand untold abuses when racing into danger.

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If made from tougher waterproof fabrics rather than the same material used for kiddie pools, an inflatable Sea-Doo for grownups might also be able to achieve speeds faster than 2.2 miles per hour—which doesn’t sound especially thrilling unless you’re five-years-old.

[Proidee]