砂すな遊あそび

noun

playing in the sand; sand play

Refers to children playing in a sandbox or at the beach, building sandcastles, etc.

• 子こ供どもたちは公こう園えんで砂すな遊あそびをしている。

  The children are playing in the sand at the park.

• 砂すな遊あそびセットを買かってあげた。

  I bought them a sand play set.