Activities
In this website, there are plenty of resources to practise the four skills (reading, listening, speaking and writing).
Choose your level, and try to do the activities that you like the most!
https://www.cambridgeenglish.org/learning-english/parents-and-children/activities-for-children/
Here, you'll find plenty of activities related to English and its skills!
You can do different activities related to different skills in English. Remember to choose your grade!
https://www.macmillaneducation.es/pupils-corner/