There are many free and exciting activities that you can do at home which can assist with brain development, encourage a childs curiosity, a give them a readiness for school and learning throughout life.
See below for websites which you may find helpful
Learning at home for resources and information to support learning and wellbeing in the home.
Play-based learning
Parent booklets on home based learning activities and ideas for transition to school
https://www.education.wa.edu.au/resources-for-parents
https://www.education.wa.edu.au/resources-for-families
Raising Children – Ideas for learning and play with primary aged children