The term 'SANDBOX BUCKET' is composed of two words, 'sandbox' and 'BUCKET'. Sandbox is a box filled with sand, usually used by children for playing in. BUCKET is a cylindrical container with a handle, typically used for carrying liquids or other materials. The crossword solution for this term is 'PAIL', which is a type of BUCKET with a wide, flat bottom and two handles. It is commonly used for carrying water or other liquids.