Wind mostly or water if the sand castle is near the sea
erosion and sand
Logically, no you can't. There is no sand on the moon. That being said if you (for some reason) brought sand to the moon, you very well could. No forces of weathering or erosion would act on it there.
Places with sand like beaches or sand dunes
Factors such as strong wind, flowing water, waves, or even people accidentally bumping into it can cause erosion of a sandcastle. The lack of moisture in the sand can also make the structure more susceptible to erosion.
sand.
The duration of Castle of Sand is 2.38 hours.
The duration of The Sand Castle is 780.0 seconds.
Erosion of the river banks altering the course; deposition of gravel, sand and mud in calmer stretches; obstructing of the river mouth with sand-bars forming in the estuary and inshore.
Castle Made of Sand was created in 2011.
Castle of Sand was created on 1974-10-19.
The Sand Castle was created on 1977-06-01.
A sand dune will always move with the prevailing wind (downwind). It would not be able to move into the direction of the prevailing wind (upwind).