a shore that answers the moon

Tide
Clock.

Arrange shells on the sand and let the moon pull the sea. When the water comes in it takes what it will; when it goes it leaves the day's catch gleaming.

time09:14
moonfull moon
exposed0 / 0
tidehigh

← → time · ↑ ↓ moon · L low tide · Shift + click clear · R reset

Arrangements stay in this browser. Nothing leaves the room.