This is the 16841st most frequent Russian word.
собакам
"Собакам" means "to dogs" in English (dative plural form).
In this sentence, 'собакам' is in the dative plural form, indicating the indirect object receiving the toys.
Я купил игрушки собакам.
I bought toys for the dogs.
Here, 'собакам' is used in the dative plural form because it expresses the subject (the dogs) needing something.
Собакам нужна свежая вода.
The dogs need fresh water.
The word 'собакам' is in the dative plural case, demonstrating the action of helping applied to the dogs.