Just testing out the new and awesome face sensing blocks! Click the green flag and move your face around where you'd like the fish to swim. Press space to turn on pen. You can draw things with your nose :D Then press the up arrow to clear the drawings.
Check out @algorithmar and @ericr studio to see some more examples on this cool feature: https://https://scratch.mit.edu/studios/50854499/ Please remix to share your creations!