Puzzle / Interactive toy
Sounding
Three wrecks are hidden below. Place sonar buoys and reason your way to their locations.
Jul 2026
Starts when you do.
Drop buoys to read their range rings. Switch to Mark when you think you have found a wreck.
Best with a little space. For detailed controls on a phone, turn to landscape. Leaving the experiment stops its motion and audio; restarting begins a fresh session.