If you want to leave a donation to help operate and keep the Temple, there are many hundis (donation bins) located within the Temple. The very first materials utilised were wood and terracotta, but architects slowly moved on to brick and stone, Specifically sandstone, granite, schist, and marble. No mortar https://hindutempleadelaide.health.blog/2025/03/18/hanuman-ji-mandir-a-spiritual-journey-in-australia/