Here are some other possible translations, depending on the specific context:
* Librong pang-aktibidad - This literally translates to "activity book".
* Notebook ng mga gawain - This is another way to say "activity notebook".
* Kuwaderno ng mga ehersisyo - This would be more appropriate for a notebook specifically for exercises.
You can choose the most suitable translation based on the specific type of activity notebook you are referring to.