Made in Italy by DronyX, it's called the Solarino Beach Cleaner and it's a robust machine with the ability to move on wet and dry sand. Powered by solar energy and a Gel battery system, it can clean up to 3,000 sqm of beach per hour. It easily picks up all kinds of algae, seaweed, and trash, using a remote control from up to 150 meters away. The low noise robot has a battery life of 3 hours and includes anti-collision sensors to detect obstacles. What do you think?