| The picnic continued into the evening, offering fiddle music, swimming, and sandcastle contests. |
| If the old knowledge is lost, his centuries-old mud city could disappear like a day-old sandcastle. |
| When you walk along an island beach, the low-lying land seems as vulnerable as a child's sandcastle before the incoming tide. |
| The father and his six-year-old son were building a sandcastle, when another boy about the same age threatened to destroy it. |
| Frinton seafront was turned into an artistic display of sand sculptures, which were more than just a simple sandcastle. |
| While he was helping his six-year-old son build a sandcastle, an American boy of the same age suddenly appeared. |
