I honestly cannot tell where these things fall on the “Goofy-To-Cool” spectrum. But being poor, I take comfort in knowing that I’ll never be faced with having to really decide.
What it is is a miniature yacht. Looks kinda like a minivan merged with a Volkswagen merged with a jetski merged with a bumpercar.
It can, of course, be customized with many and varied extras. They suggest ambulance versions, water-taxi versions, ‘party boat’ versions. Here’s the one I want: