Wouldn’t it be great if you could experience the joys of life “under the sea” even without being as adept an underwater swimmer as Ariel or her mermaid compatriots? That’s exactly what the Outdoor ...

To every gadget, tool, or toy, you can reasonably think: ‘Sure I could buy this… but can I make it myself?’ And that’s where [Ben] decided he could, and got to work. On a sea scooter, to be exact.

The LeFeet S1 is a powerful sea scooter has been designed to provide extra propulsion under the waves and is equipped with a 550 W motor providing a top speed of 3.5 mph or 6 km/h through the water.

Flipping your fins you don’t get too far, but underwater scooters are designed to zip you around. Hold on tight to the Geneinno S2 for rides up to 2.7 miles per hour. That may not sound that fast but ...